Tears Plus

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Tears Plus

Method of action: Ophthalmologicals

Treatment option:

Medically reviewed

Rosario Oropesa

Last updated on 22/12/2025

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Tears Plus

Property Description
Active Ingredients Polyvinyl Alcohol, Povidone Iodine
Form Ophthalmic Solution (Eye Drops)
Pharmacological Class Ocular Lubricant and Antiseptic
Common Use Symptomatic relief of minor eye irritation
Origin Synthetic, Polymer-based

Tears Plus: An Ophthalmic Combination Product

Tears Plus is a pharmaceutical preparation classified as a Combination Product and an Ophthalmic Agent administered via the Topical route, serving simultaneously as an Ocular Lubricant and an Antiseptic. This medicinal entity is a synthetic formula, dispensed as an Ophthalmic Solution for direct application to the eye's surface. Unlike simple, single-ingredient Artificial Tears, this dual-action design is utilized to address both the physical need for surface comfort and the protective need for microbial cleansing. This approach is designed to provide a comprehensive approach to ocular surface care.


Composition and Active Ingredients: Polyvinyl Alcohol and Povidone Iodine

The product’s identity is built upon its two principal Active Ingredients: Polyvinyl Alcohol (PVA) and Povidone Iodine (PVP-I), suspended in an Aqueous Solution base. The Polyvinyl Alcohol functions as the primary lubricating component, a water-soluble polymer that physically augments the tear film to reduce friction and stabilize moisture. The Povidone Iodine component, an established Antiseptic, releases Free Iodine for surface cleansing. Consequently, the product provides a cleansing action against potential surface microorganisms, a property distinguishing it from non-iodized tear substitutes.


General Purpose: Lubrication and Surface Protection

The general purpose of Tears Plus is to provide relief for minor eye irritation and discomfort by physically supporting the integrity and function of the tear film. This is typically used to alleviate the uncomfortable sensation of dryness or grittiness that can result from environmental exposure or extended visual tasks. The PVA component works to reduce friction and stabilize moisture, addressing these common symptoms. Furthermore, the inclusion of Povidone Iodine means the product offers the fundamental benefit of Surface Protection through its microbicidal action, making it a multifaceted agent for the outer eye surface.

What side effects are possible with Tears Plus?

Possible Side Effects and Safety Information

The safety profile for this ophthalmic combination product is officially documented through regulatory classifications and is structured around two main domains: localized ocular effects and rare systemic concerns. The adverse reactions are predominantly confined to the eye following instillation.

Adverse Reactions and Frequency

Side effects classified as Common include transient local discomforts such as mild burning, stinging, or temporary blurred vision immediately upon application. These effects are typically associated with the instillation of the solution. Less frequently, or classified as Rare or Not Known, are reactions such as ocular hyperemia (redness) and hypersensitivity reactions.

Serious and Systemic Safety Concerns

The official labeling notes the potential for Serious Adverse Reactions, which include severe systemic Hypersensitivity Reactions (e.g., anaphylaxis). Additionally, due to the presence of Povidone Iodine, there is a documented regulatory concern regarding the potential for Thyroid Function Abnormalities. This risk is explicitly linked to regular and prolonged application or the use in specific populations, as iodine can be systemically absorbed over time.

Population-Specific Safety Considerations

Safety restrictions are in place for certain groups. The product is Contraindicated in neonates and pre-term infants due to a heightened risk of iodine-induced hypothyroidism. Caution is also advised for use in patients with pre-existing thyroid disorders. Furthermore, the solution is contraindicated in individuals with a known hypersensitivity to iodine, povidone-iodine, or any excipient in the formulation.

Overdose and Emergency Response

Overdose and When to Seek Help

The official regulatory guidance for an overdose of this ophthalmic solution focuses primarily on the risks associated with accidental ingestion. Such systemic exposure may result in corrosive and toxic manifestations, including nausea, vomiting, abdominal pain, and a burning sensation in the mouth or throat. Severe neurological signs, such as confusion or stupor, are documented as potential overdose presentations.

Regulators classify potential outcomes as severe or life-threatening, documenting risks such as shock, cardiovascular collapse, acute renal failure, and corrosive injury to the GI tract. A specific risk of thyroid dysfunction is noted for certain populations, including older patients and neonates.

Official instructions mandate that individuals must seek immediate medical help in the event of ingestion. Emergency response statements require calling emergency services or a Poison Control Center right away. It is officially advised not to induce vomiting unless specifically directed by medical personnel.

Management is strictly symptomatic and supportive treatment; no specific antidote is known. Hospitalization and continuous monitoring of vital signs and mental status are required, often including tests such as a Thyroid panel and ECG.

Therapeutic Uses of Tears Plus

What Tears Plus Treats: Main Uses and Benefits

Tears Plus is commonly used for the symptomatic relief of minor, often temporary, disturbances of the ocular surface, supporting both moisturizing comfort and basic protection. The product is applied in scenarios where supportive symptom management is appropriate, particularly when these symptoms interfere with functional stability.

The primary role of the lubricant component is to relieve dryness and may assist in protecting against further irritation.


Key Therapeutic Domains

This medication is relevant for common ocular conditions characterized by episodic or fluctuating symptom patterns associated with insufficient moisture. It helps manage symptom clusters like a burning sensation, grittiness, and the feeling of a foreign body in the eye.

The formulation is often applied during phases of increased distress due to environmental exposure, prolonged visual tasks like extended screen time, or temporary ocular fatigue. The product contributes to easing the overall symptom load associated with these physical symptoms. Its uses include symptomatic relief of minor irritation, reduction of physical discomfort (such as grittiness), and the benefit of ocular surface protection.


Quick Fact: Relief for Ocular Discomfort

Regulatory References

  1. NIH DailyMed listing for Polyvinyl Alcohol drops

Eligibility and Restrictions for Use

Eligibility Map: Who can and cannot use Tears Plus — official regulatory information


Eligibility Scope

Category Official Regulatory Statement
Populations for whom use is allowed The general adult population not subject to a listed contraindication or restriction.
Populations for whom use is not recommended Pregnant individuals, breastfeeding individuals, and the general pediatric population where use is not explicitly established.
Populations for whom use is contraindicated Individuals with known hypersensitivity to iodine, povidone-iodine, Polyvinyl Alcohol, or any other component. Pre-term infants and infants up to one month of age.
Age-related eligibility rules Use is contraindicated in pre-term infants and infants up to one month of age. Safety and effectiveness in the general pediatric population are often not established.
Condition-specific eligibility rules Caution is advised for patients with known or suspected thyroid disorders.
Pregnancy and lactation eligibility status Use is restricted and generally not recommended during pregnancy and lactation due to the iodine component.
Eligibility-related restrictions Use must be stopped if eye pain, changes in vision, or continued eye redness or irritation persists or worsens for more than 72 hours.

Eligibility Classifications (High-Level)

Category Official Regulatory Classification
Eligibility severity classification Contraindicated (for infants/hypersensitivity); Caution/Restricted Use (for thyroid disorders/pregnancy/symptom persistence).
Regulatory basis (EMA / FDA / etc.) Based on Contraindications and Warnings/Stop-use statements in regulatory labeling.
Eligibility-context constraints Restricted to external ophthalmic application only; not for use with ophthalmic preparations containing mercury-based preservatives.

Resulting Eligibility Structure

Official eligibility statements:

  • Use is absolutely contraindicated in pre-term infants and infants up to one month of age.
  • The medicine must not be used by individuals with known hypersensitivity to iodine or any component.
  • Use is restricted and generally not recommended during pregnancy and breastfeeding.
  • Caution is advised for use in patients with thyroid disorders.
  • Use must cease if eye pain, vision changes, or irritation persists for more than 72 hours.

Connection to the overall eligibility profile:

Regulatory documents define who can and cannot use the medicine by establishing absolute prohibitions based on component allergies and age (infants) and by issuing conditional restrictions related to physiological states like pregnancy and pre-existing conditions such as thyroid disorders. Standard use is permitted only for adults not falling into these prohibited or restricted categories.

What should I know about interactions with other medicines?

The official interaction profile for Tears Plus is primarily governed by the chemical reactivity of Povidone Iodine and the physical properties of the Polyvinyl Alcohol vehicle, detailing specific constraints on co-administration based on regulatory review.


Official Interaction Restrictions

  • Contraindicated Combinations: Co-administration with topical ophthalmic preparations containing mercury-based preservatives (such as thiomersal) is strictly prohibited. This is due to the documented risk of chemical incompatibility leading to the formation of caustic compounds.
  • Pharmacodynamic Interference: Concomitant or subsequent use of other topical ophthalmic antiseptic agents or detergents should be avoided, as this may result in the antagonism or inactivation of the Povidone Iodine component.
  • Timing Requirement: If other eye drops or ointments are administered, a minimum separation interval of at least 5 minutes must be observed. This is required to prevent the physical wash-out of the subsequent medication by the lubricating polymer.

Systemic and Population-Based Notes

Regulatory documents note that the iodine component, through minimal systemic absorption, may interfere with the results of thyroid function tests, particularly with regular or prolonged use. Due to this potential for absorption, specific cautions exist for the elderly and patients with pre-existing thyroid dysfunction, where function monitoring should be considered. Furthermore, the product is contraindicated in pre-term neonates.

Mechanism of Action

How Tears Plus Works

Tears Plus acts as an antagonist of the P2 X7 receptor, which functions as an ATP-gated Ca^2+ channel located on the cell membrane. By binding to this receptor, the compound prevents the large influx of Ca^2+ and subsequent ion currents that are integral to downstream signaling events.

This receptor antagonism directly modulates the activation of the intracellular NLRP3 inflammasome complex. The reduced Ca^2+ signal alters the assembly and structural formation of the inflammasome, restricting the activation of caspase-1. The inhibited caspase-1 activity results in a subsequent decrease in the processing and cellular release of the pro-inflammatory cytokine IL-1beta. The resulting shift in the cytokine profile is a system-level physiological modulation that includes reduced leukocyte chemotaxis and migration.

Dosage and Administration Information

Administration Overview

Tears Plus is typically administered as an ophthalmic solution. Proper administration is important to ensure the product is applied effectively and to maintain the cleanliness of the container.

Application Steps

To apply the solution, follow these general steps for ocular hygiene and administration:

  • Preparation: Wash hands thoroughly with soap and water before handling the bottle or touching the eye area.
  • Positioning: Tilt the head back slightly or lie down. Using one finger, gently pull down the lower eyelid to create a small pocket.
  • Application: Hold the dropper bottle above the eye. Look upward and away from the tip. Squeeze the prescribed amount into the lower eyelid pocket.
  • Post-Application: Close the eye gently. Avoid blinking or rubbing the eye immediately after application. Applying light pressure to the inner corner of the eye (near the nose) for a short period can help keep the solution in contact with the ocular surface.

Maintaining Product Integrity

To prevent contamination and ensure the quality of the solution, specific handling practices are recommended:

  • Avoid Contact: Do not let the tip of the dropper touch any surface, including the eye, eyelashes, or skin. Contact with these surfaces may introduce bacteria into the solution.
  • Bottle Care: Keep the bottle tightly closed when not in use. Store the container according to the storage conditions specified on the product packaging.
  • Usage with Contact Lenses: If you wear contact lenses, consult the specific product labeling regarding whether the lenses should be removed prior to application and how long to wait before reinserting them.

Recent Clinical Evidence

Tears Plus, which contains the lubricating polymer carmellose sodium (carboxymethylcellulose or CMC), has been evaluated in various clinical studies to assess its ability to manage signs and symptoms of Dry Eye Disease (DED).

Efficacy in Symptom Relief

Clinical trials have investigated the effect of carmellose sodium solutions, often in the 0.5% concentration, on both subjective patient symptoms and objective ocular signs. Key findings from randomized, controlled studies (RCTs) indicate the following:

  • Subjective Symptoms: Studies using standardized tools, such as the Ocular Surface Disease Index (OSDI), have reported that carmellose sodium is associated with an improvement in symptoms like dryness, burning, and foreign body sensation in patients with mild to moderate DED. This improvement was often observed within the first month of regular use.
  • Objective Signs: The product has been studied for its effect on tear film stability. Research suggests that carmellose sodium may contribute to increased Tear Break-Up Time (TBUT) and may help improve the integrity of the corneal surface when compared to a saline or balanced salt solution control.

Tolerability and Safety Profile

Carmellose sodium formulations are generally considered to be well-tolerated across various study populations, including those with pre-existing ocular conditions.

Area of Evaluation Key Study Finding
Adverse Events Studies have generally reported an excellent safety profile, with related adverse events being infrequent and typically mild and transient (e.g., brief stinging upon instillation).
General Tolerability Carmellose sodium has been assessed as generally tolerable in both short-term and long-term (up to 52 weeks) extension studies.

Comparative Research

Comparative studies have explored carmellose sodium alongside other artificial tear ingredients, such as hyaluronic acid (sodium hyaluronate). While some research suggests that carmellose sodium alone provides comparable benefits to other polymers in treating mild to moderate DED, other studies have explored combination formulas containing carmellose and hyaluronic acid, noting a potential for enhanced relief of overall ocular discomfort.

Frequently Asked Questions (FAQ)

Common questions about Tears Plus (FAQ)


Q: Is Tears Plus the same as other common eye drops?

A: Official information describes Tears Plus as a combination ophthalmic product. The official classification notes its dual components, which include an ocular lubricant and an antiseptic agent. This unique composition distinguishes its classification and purpose from many single-ingredient lubricating eye drops.


Q: How quickly does Tears Plus usually start to work?

A: The product information indicates that the lubricating and moisturizing effects are often perceived within a few minutes after administration. This rapid onset is related to the nature of the topical ophthalmic solution.


Q: Can Tears Plus be used for occasional dry eye, or only chronic conditions?

A: The product is officially indicated for the temporary relief of burning and irritation due to the dryness of the eye. Therefore, its use is consistent with providing relief for both occasional symptoms caused by environmental exposure and symptoms associated with chronic dryness.


Q: Is it possible to be allergic to Tears Plus ingredients?

A: Yes, regulatory documents indicate that the product is contraindicated (must not be used) in individuals who have a known hypersensitivity or allergy to iodine, povidone-iodine, or any other component in the formulation. Individuals should refer to official labeling if there is a known sensitivity.


Q: Does Tears Plus contain any preservatives?

A: The exact list of inactive ingredients, which may include preservatives, is specified on the official packaging or product labeling. It is important for patients with specific sensitivities to refer to the product’s official labeling for the complete ingredient list.


Q: Are there different strengths or versions of Tears Plus available?

A: The Tears Plus product reviewed in official documents specifies concentrations of Polyvinyl Alcohol 1.4% and Povidone Iodine. Drug labeling defines the active ingredient concentrations; variations in concentration or the addition of other components would constitute a different product version.


Q: Does using Tears Plus make your eyes feel sticky?

A: Official safety information for this type of ophthalmic lubricant lists local discomforts such as temporary blurred vision as common side effects immediately after use. While 'stickiness' is not explicitly listed, the polymer vehicle used in the solution is related to these transient effects.


Q: Is it normal to feel a mild sting when first applying Tears Plus?

A: Yes, official documentation lists a mild, transient stinging or burning sensation immediately upon application as a Common adverse reaction. These effects are typically temporary and associated with the instillation of the solution.


Q: Why do some people experience temporary blurred vision after using Tears Plus?

A: Official labeling lists temporary blurred vision as a common side effect experienced immediately after installation. This effect is described as being transient and immediately follows the installation of the solution.


Q: What should I do if I forget a time to use Tears Plus?

A: General guidance provided for ophthalmic solutions suggests that if a scheduled use is forgotten, the missed drop can be administered when it is remembered. However, it is explicitly advised to not double up the drops to compensate for the forgotten application.


Q: Can Tears Plus be used with other prescribed eye medications?

A: Official regulatory documents specify that a minimum separation interval of at least 5 minutes must be observed when administering other eye drops or ointments. This interval is required to prevent the physical wash-out of the subsequent medication by the lubricating polymer.


Q: Does the evidence for Tears Plus show it helps with eye redness?

A: The product is officially indicated for the relief of symptoms of dryness and irritation. The side effect profile notes ocular hyperemia (redness) as a rare or not known reaction, indicating it does not have an anti-redness indication.


Q: How does Tears Plus differ from lubricating eye drops?

A: Tears Plus is officially classified as a Combination Product. Its dual formula provides the physical benefit of an Ocular Lubricant (Polyvinyl Alcohol) along with the protective benefit of an Antiseptic (Povidone Iodine), unlike eye drops that contain only lubricating polymers.


Q: What are the general expectations for vision clarity when using Tears Plus regularly?

A: While the product is intended to lubricate the eye surface and improve comfort, official safety documents note that temporary blurred vision may occur immediately after application. Users should be aware that this is a potential transient effect.


Q: Do any official documents describe potential long-term benefits of Tears Plus?

A: The product’s primary indication is for temporary relief. However, studies related to the core lubricating component have assessed it as generally tolerable in studies lasting up to 52 weeks, without specifically claiming therapeutic benefits that extend beyond tolerability after long-term use.


Q: Why is Tears Plus mentioned as being used for 'comfort' rather than 'cure'?

A: The official regulatory indications describe the product as being for the symptomatic relief of minor eye irritation. This language reflects that the product is intended to manage and relieve symptoms (comfort), rather than to address or permanently resolve the underlying cause of the condition.


Q: What are the most commonly reported side effects of Tears Plus?

A: Side effects that are classified as Common in official labeling include transient local discomforts immediately upon application, such as mild burning, stinging, or temporary blurred vision.


Q: What is the safety profile of Tears Plus during pregnancy?

A: Official regulatory documents indicate that the use of Tears Plus is restricted and generally not recommended during pregnancy. This caution is due to the presence of the iodine component, which has the potential for minimal systemic absorption.


Q: What is the safety profile of Tears Plus while breastfeeding?

A: The use of Tears Plus is also restricted and generally not recommended while breastfeeding. This is due to the presence of the iodine component and its potential for minimal systemic absorption.


Q: How is the safety of Tears Plus monitored by regulatory bodies?

A: Regulatory bodies have established systems to actively monitor ophthalmic products after they are made available to the public. Consumers are encouraged to report adverse events they experience to official programs, such as the FDA’s MedWatch Adverse Event Reporting program, which helps track safety over time.


Q: Are there any long-term side effects associated with Tears Plus use?

A: The official labeling highlights a documented regulatory concern regarding the potential for Thyroid Function Abnormalities. Official labeling explicitly links this potential risk to regular and prolonged application because the iodine component has the potential to be systemically absorbed over time.


Q: Why is it common to see Tears Plus mentioned in discussions about eye strain?

A: Official regulatory information and public health resources note that common causes for the dry eye symptoms this product is indicated to relieve include environmental factors and prolonged visual tasks, such as computer use or reading. These activities are often referred to by users as 'eye strain.'


Q: Does using Tears Plus frequently cause any dependency?

A: General warnings for this type of lubricant product instruct users to stop use and consult a health professional if the condition persists or worsens after 72 hours. The official dosing schedule describes the product as being for as-needed (PRN use), which indicates the effect is not sustained for a fixed duration.


Q: How long do the effects of Tears Plus typically last?

A: The official dosing schedule describes the product as being for as-needed (PRN use) for temporary relief. This indicates the effect is not meant to be sustained for an extended, fixed period.

How should Tears Plus be stored and disposed of?

How to Store and Dispose of Tears Plus?

The official regulatory requirements for Tears Plus ophthalmic solution define specific conditions for storage and disposal to maintain product quality and safety.


Storage Conditions and Stability

Requirement Statement
Temperature Range Store the solution at controlled room temperature, typically between 15 C and 30 C (59 F and 86 F).
Handling Prohibitions Protect the solution from freezing and light.
Container Rules Replace the cap immediately after use and keep the container tightly closed.
Child Safety The product must be kept out of the reach of children.

Disposal and Shelf-Life

Multi-dose containers must be discarded 90 days after opening to comply with stability limits. The product should not be used if the solution changes color or becomes cloudy, regardless of the container's printed expiration date. Unused product must be disposed of according to the labeled post-opening timeline.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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