Tear CARE

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Tear CARE

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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 Tear CARE

Property Description
Active ingredient Carboxymethylcellulose Sodium (CMC)
Form Ophthalmic solution (Eye drops)
Pharmacological class Ocular Lubricant / Artificial Tear Agent
Common use Relieving symptoms of dry, irritated eyes
Origin Semi-synthetic (Cellulose derivative)

What Type of Ophthalmic Lubricant is Tear CARE?

Tear CARE is classified as an Ocular Lubricant and an Artificial Tear Agent, placing it within the high-level pharmacological class of tear substitutes. This product is typically supplied as an ophthalmic solution or eye drops, a sterile liquid preparation intended for topical ophthalmic administration directly onto the surface of the eye. Ocular lubricants, including those containing CMC, aid in the management of dry eye symptoms by stabilizing the tear film. This classification indicates the medicine functions as a replacement layer for compromised natural tears.

As a tear substitute, its primary role is to address volume and stability deficiencies in the tear film. Tear CARE is known for its fast-acting formulation that is recognized for providing quick comfort. It is formulated as a single-ingredient product, focusing solely on the lubricating action of its active compound.


Composition and Origin: The Role of Carboxymethylcellulose Sodium

The core component of Tear CARE is the active ingredient, Carboxymethylcellulose Sodium (CMC), which is a semi-synthetic polymer derived from natural cellulose. The solution is prepared using a sterile aqueous vehicle. The hydrophilic nature of CMC allows it to bind water, which helps prolong the contact time of moisture on the eye's surface.

Carboxymethylcellulose solutions are characterized by viscosity-enhancing properties, which help maintain film thickness and stability on the cornea. The specific pharmaceutical-grade polymer utilized in Tear CARE is designed to be well-tolerated, addressing the needs of individuals who experience persistent dry eye discomfort.


What is the General Purpose of Tear CARE?

The general purpose of Tear CARE is to mechanically stabilize the natural tear film by providing surface lubrication and enhancing moisture retention on the ocular surface. The Carboxymethylcellulose Sodium creates a thin, protective layer that reduces friction during the natural blinking process. This physical action addresses the discomfort arising from tear film deficiencies. The sustained lubricating and moisturizing effect helps to relieve the sensations of dryness, burning, and irritation, which are common symptoms of mild-to-moderate dry eye.

Regulatory References

  1. Drugbank Online entry for Carboxymethylcellulose

What side effects are possible with Tear CARE?

Possible Side Effects and Safety Information for Tear CARE

The safety profile of Carboxymethylcellulose Sodium ophthalmic solution is characterized by adverse reactions that are predominantly localized to the eye, reflecting its topical application and minimal systemic absorption. Reactions are typically categorized under the regulatory System-Organ Class of Eye disorders.


Frequency-Classified Adverse Reactions

The official regulatory documentation classifies the most frequent adverse reactions as Common.

Classification Reported Adverse Reactions (Examples from Regulatory Labels)
Common (≥1/100 to <1/10) Eye irritation (including burning and discomfort), Eye pain, Eye pruritus (itching), Ocular hyperemia (redness), Transient blurred vision.
Frequency Not Known (Postmarketing) Hypersensitivity reactions (e.g., eye or eyelid swelling), Eyelid edema, Crusting of the eyelid, Eye discharge, Visual disturbance.

Serious Adverse Reactions and Safety Constraints

The most clinically significant adverse reactions officially documented are related to the potential for Hypersensitivity reactions, which may manifest as serious allergic responses, and the risk of severe eye infections from product contamination. Contraindication is noted for individuals with a known hypersensitivity to Carboxymethylcellulose Sodium or any excipients.

Some safety patterns are linked to the timing of administration. Transient blurred vision is officially noted to occur immediately upon instillation, which temporarily impairs the ability to drive or operate machinery.

Regulatory documentation also includes safety statements for specific populations. For the geriatric population, no overall differences in safety have been observed. For the pediatric population, safety has not been formally established in all age groups.

Overdose and Emergency Response

The official regulatory documents for Carboxymethylcellulose Sodium ophthalmic solution (Tear CARE) define the overdose profile primarily around its non-systemic mechanism, indicating that systemic intoxication is not expected following topical application due to the inert nature and lack of significant absorption of the polymer. The regulatory requirements focus on mandatory actions for two specific circumstances.

The first circumstance involves local symptom escalation. Official labeling requires users to stop use and ask a doctor if they experience documented overdose manifestations such as eye pain, changes in vision, or continued redness or irritation of the eye. This action is also required if the underlying condition worsens or persists for more than 72 hours.

The second circumstance involves accidental oral ingestion. Regulators require that if the solution is swallowed, immediate action must be taken to get medical help or contact a Poison Control Center right away. This mandatory help-seeking instruction is a specific directive tied to the ingestion risk. No specific antidote is listed in regulatory documentation for Carboxymethylcellulose, consistent with the product's profile. Management following ingestion is defined as general supportive care. The instruction to keep the product out of reach of children reflects a population-specific warning regarding this ingestion risk.

Therapeutic Uses of Tear CARE

Tear CARE may be part of symptomatic management in clinical settings that involve symptoms that interfere with daily functioning, providing support for comfort. It is commonly used for the symptomatic management of Dry Eye Syndrome (DES), a condition characterized by periods of heightened symptoms. It helps address symptom clusters that may become intense or disruptive, including chronic ocular dryness, stinging, and overall irritation. The product is used for the temporary relief of burning, irritation, and discomfort. This supportive role contributes to easing the overall symptom load associated with persistent and recurrent discomfort.

The medication is relevant for managing several common symptomatic manifestations, including ocular dryness, burning, stinging, and the sensation of grittiness or a foreign body.

Soothing Grittiness and Surface Friction

The medication is commonly used to help with symptoms related to irritative states, and is relevant for managing symptom clusters like grittiness, itching, and the sensation of a foreign body that may interfere with daily functioning. Applied in scenarios where additional management of discomfort is required, the product helps manage symptoms that create noticeable physiological strain, and may contribute to maintaining functional stability. It is relevant when supportive symptom management is appropriate due to environmental and occupational stressors such as wind, dust, air conditioning, or prolonged screen use.


Quick Fact: Relief for Surface Friction

The product is commonly used to help ease the feeling of grittiness and foreign body sensation, which are hallmark symptoms of increased surface friction. This use may assist with maintaining functional stability during periods of discomfort.

Regulatory References

  1. DailyMed listing published by the National Library of Medicine

Eligibility and Restrictions for Use

Who can and cannot use Tear CARE?

The official eligibility rules for using Tear CARE (Carboxymethylcellulose Sodium ophthalmic solution) are clearly defined by government regulatory documents, focusing on individual sensitivity and age-group approval.


Population Status Official Eligibility Requirement
Absolute Contraindication Individuals with a documented allergy or hypersensitivity to Carboxymethylcellulose Sodium or any inactive ingredient in the specific formulation must not use this medicine.
Standard Eligibility Adults, adolescents, and older adults are permitted for use under standard labeled conditions. No maximum dosage limits or special restrictions are documented for the geriatric population.
Conditional Eligibility Use in children under 6 years of age is permitted only with a required consultation from a doctor, as stated in the official prescribing information.

Due to the medicine's non-systemic, localized action on the eye's surface, regulatory bodies have established no eligibility limitations based on internal organ function, such as severe hepatic or renal impairment. Furthermore, use during pregnancy and lactation is generally considered acceptable or low-risk, owing to the negligible systemic absorption of the active compound, though professional consultation is routinely advised across all life stages. The presence of an allergy represents the sole absolute exclusion for product use.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Tear CARE is an ocular lubricant whose interaction profile is defined by Administration Timing Rules and Local Physical Interference, as documented in government regulatory sources. The active ingredient, Carboxymethylcellulose Sodium, is not absorbed into the systemic circulation at clinically relevant levels. Consequently, official prescribing information states that the product is not associated with systemic pharmacokinetic interactions involving CYP enzymes, drug transporters, food, alcohol, or herbal products.

This absence of systemic interaction means the regulatory profile contains no formal drug-drug contraindications based on metabolic or plasma concentration risks.


Documented Administration Restrictions

The primary official interaction relates to the physical co-administration with other topical eye treatments.

  • Other Ophthalmic Medicines: To prevent the product's high viscosity from interfering with the absorption or contact time of other ophthalmic solutions or ointments, regulatory labels mandate a time separation.
  • Required Timing Rule: Tear CARE must be administered at least 5 to 10 minutes apart from any other eye medication.
  • Soft Contact Lenses: Due to the risk of certain solution components (such as preservatives) being absorbed by the lens material, use is restricted while soft contact lenses are worn, and they must be removed prior to application. This is a formalized product-device restriction.

Mechanism of Action

The Tear CARE mechanism is defined by localized thermal activation followed by mechanical expression, targeting the lipid secretions (meibum) within the meibomian glands. The system delivers controlled heat to the inner eyelid, causing a phase transition in the abnormally thickened meibum, leading to its liquefaction. This physical alteration enables the subsequent mechanical expression step, where the liquefied material is manually evacuated from the gland ducts. This peripheral pathway clearance permits the intrinsic secretory function of the meibomian glands to proceed. The resulting continuous flow of healthy lipids contributes to the formation of a robust lipid layer on the ocular surface. This restoration of the tear film's outer layer minimizes tear film fluid loss via evaporation, thereby influencing ocular surface osmolarity and reducing the local stimuli for inflammation originating from hyperosmolarity. This physical intervention ultimately leads to a critical stabilization of tear film homeostasis by addressing the integrity of the lipid layer.

Dosage and Administration Information

How to Use the TearCare System — Official Administration Guidelines

The TearCare System is an ophthalmic medical device intended for Prescription Use as an in-office procedure performed by an eye care professional. Its use is strictly defined as the application of localized heat therapy in conjunction with an immediate follow-up manual expression of the glands.


Procedural Administration

The procedure is a single-session treatment that delivers localized heat externally to the eyelids. The official steps involve:

  • Application: The eye care professional applies the single-use, adhesive SmartLids to the external (cutaneous) surface of the upper and lower eyelids.
  • Heat Cycle: The system automatically and gradually increases the temperature. The core heat treatment cycle lasts 15 minutes and is performed once per session. An optional extended warming time of up to 10 additional minutes may follow the core cycle.
  • Manual Expression: The heat application must be followed immediately by the manual expression of the meibomian glands by the professional using a separate instrument. The system's effectiveness is not established when used without this required expression step.

Age-Group Rule

The TearCare System is intended for use in adult patients. Safety and effectiveness have not been established in patients under the age of 22 years.


This structured administration protocol defines the correct and authorized use of the device: a two-part, in-office procedure involving a specific duration of heat treatment followed by a mandatory manual intervention.

Recent Clinical Evidence

Research evidence / Overview of studies for Tear CARE


Evidence for use in Dry Eye Syndrome (DED)

The core research for the active ingredient, Carboxymethylcellulose Sodium (CMC), relies on Randomized Controlled Trials (RCTs) evaluating CMC solutions. These studies were applied in research contexts involving adult participants experiencing mild-to-moderate dry eye symptoms. Researchers used these trials to explore how symptoms change over time and to evaluate patient-reported experiences of discomfort. The studies monitored changes in objective measures as well, such as tear film stability and the condition of the eye's surface.

Studies reported measurements during the study period in both patient-reported outcomes and objective measurements like staining. Research also explored comparisons between CMC and other types of ocular lubricants; however, findings were mixed in some comparative studies, with some analyses reporting a lack of statistically significant differences between the different types of artificial tears that were studied.


Evidence for use in Post-Surgical Dry Eye

Clinical trials for CMC solutions also examined temporary dry eye that may be associated with certain surgical procedures, such as cataract surgery. The studies monitored outcomes related to physical discomfort and measurements of tear film stability following the procedure. Studies reported how symptoms evolved in the observed populations during the early weeks after surgery, typically monitoring responses over defined time intervals of 7 to 30 days.


Durability and Length of Study Follow-up

Research exploring the use of CMC solutions typically focuses on timeframes that allow researchers to assess changes relatively quickly. The main body of evidence is characterized by short-to-intermediate follow-up durations, typically spanning only a few weeks up to three months. There is limited information for long-term outcomes regarding the durability of any observed patterns of relief or research related to use over a year or more.


Research Gaps and Remaining Uncertainty

One key limitation is that comparative evidence is lacking in large-scale studies that directly compare CMC against every new generation of ocular lubricant, sometimes leading to mixed findings when results are pooled across various study designs. Additionally, follow-up durations were limited in many core efficacy studies, meaning that long-term effects are not fully established regarding sustained patterns. Research provides context but does not determine whether an individual will respond similarly, as findings describe group patterns, not personal outcomes.

Key Studies & References

  1. Carboxymethylcellulose sodium ophthalmic solution DailyMed Label Information

Frequently Asked Questions (FAQ)

Common questions about Tear CARE (FAQ)


Q: Is Tear CARE different from regular eye drops?

A: Official information describes Tear CARE as an Ocular Lubricant or Artificial Tear Agent. This classification means its primary function is to act as a tear substitute, providing a layer of moisture to stabilize the eye’s natural tear film.


Q: How long does it usually take to feel the effects of Tear CARE?

A: According to the official product information, Tear CARE is described as having a fast-acting formulation. The description suggests that the lubricating and comforting effects are generally experienced quickly after application.


Q: Do I need a prescription to get Tear CARE?

A: Depending on the specific country, formulation, and concentration, this product is commonly available as an over-the-counter (OTC) medicine. Information regarding the product's legal status is available on the official labeling or can be confirmed with a pharmacist.


Q: Can Tear CARE be used long-term?

A: Regulatory documents indicate that research exploring the use of Carboxymethylcellulose solutions typically focuses on short-to-intermediate follow-up durations, often up to three months. Consequently, information regarding long-term effects of use over a year or more is not fully established in all research contexts.


Q: What are the ingredients in Tear CARE?

A: The core active component is Carboxymethylcellulose Sodium, which is prepared in a sterile aqueous vehicle (a water-based liquid). The final solution may also contain specific inactive ingredients (excipients), which are typically detailed in the official product labeling.


Q: What happens if I miss a dose of Tear CARE?

A: Instructions for use typically advise that if a dose is missed, the medicine may be applied as soon as possible. However, if it is almost time for the next scheduled dose, the advice is generally to skip the missed dose and continue with the regular schedule.


Q: Has Tear CARE been studied in children?

A: While the medicine is conditionally permitted for use in some younger age groups with a doctor’s consultation, regulatory safety documents state that the safety and effectiveness have not been formally established in all pediatric age groups. This indicates that more comprehensive data may be unavailable for certain groups.


Q: Is it okay to use Tear CARE while traveling?

A: To maintain stability, the product is required to be stored at room temperature, typically between 15 C to 30 C (59 F to 86 F). It should also be protected from light to prevent degradation.


Q: What should I do if the bottle of Tear CARE looks cloudy?

A: Official warnings in regulatory documents advise that the solution should not be used if it changes color, becomes cloudy, or if you observe particles within the liquid. This warning helps maintain the sterility and integrity of the product.


Q: Is there a generic version of Tear CARE available?

A: The active ingredient in Tear CARE is Carboxymethylcellulose Sodium, a component that is widely approved for use in ocular lubricants. Generally, a generic version may be available under its established generic name.


Q: Can Tear CARE be used alongside artificial tears?

A: To prevent physical interference with other topical eye treatments, regulatory labels generally state that Tear CARE must be administered with a time separation. It is typically advised to wait at least 5 to 10 minutes between applying Tear CARE and any other eye medication, including other artificial tears.


Q: What are the main results discussed in the clinical trials for Tear CARE?

A: Clinical evidence for the active ingredient comes from Randomized Controlled Trials (RCTs). These studies report patterns in patient-reported experiences of eye discomfort and monitor changes in objective eye health measures, such as tear film stability.


Q: Can Tear CARE cause sensitivity to light?

A: Sensitivity to light, which is also known as photophobia, is not explicitly listed as a Common, Uncommon, or Frequency Not Known adverse reaction in the official regulatory safety documents for the medicine.


Q: What are the specific conditions Tear CARE is approved to treat?

A: Official prescribing information states that the medicine is approved for the temporary relief of burning, irritation, and discomfort that is due to dryness of the eye or exposure to wind or sun.


Q: Are there different strengths or versions of Tear CARE?

A: Official documents indicate that the active ingredient, Carboxymethylcellulose Sodium, is available in various strengths (e.g., 0.5%, 1.0%) and different formulations. These formulations may include versions that are preservative-free.


Q: What are the signs of an allergic reaction to Tear CARE?

A: Regulatory warnings advise discontinuing use if symptoms of a hypersensitivity reaction occur. These signs may include eye or eyelid swelling, itching, or worsening redness.


Q: Do I need to shake the Tear CARE bottle before use?

A: Instructions for use will explicitly state if any preparation is necessary, such as the need to invert or shake the bottle gently before each use. This guidance is specific to the formulation.


Q: What is the relationship between Tear CARE and chronic eye inflammation?

A: The medicine is noted to stabilize the tear film. This physical action is associated with reducing local stimuli that can contribute to chronic inflammation originating from hyperosmolarity.


Q: Is Tear CARE intended for permanent relief or only while in use?

A: As an Ocular Lubricant, the effect is topical and physical in nature. The relief of symptoms is generally experienced while the product is being used to stabilize the tear film.


Q: Are there any specific eye conditions that would prevent me from using Tear CARE?

A: The sole absolute contraindication listed in regulatory documents is a known allergy or hypersensitivity to the active ingredient or any inactive ingredients in the specific formulation.


Q: What if I accidentally get Tear CARE in my mouth?

A: Due to negligible systemic absorption of the active ingredient, regulatory documents typically state that accidental ingestion is not expected to cause systemic toxicity and generally requires no specific medical intervention.


Q: What does 'clinical evidence' for Tear CARE actually mean?

A: Clinical evidence refers to findings derived from formal Randomized Controlled Trials (RCTs) and studies. This includes data that monitors changes in patient-reported symptoms and objective eye health measures, such as tear film stability.


Q: Is Tear CARE approved in countries outside of the US?

A: The active ingredient, Carboxymethylcellulose Sodium, is a widely approved component of ocular lubricants. It has established regulatory status in numerous global jurisdictions, including those in the EU and Australia.


Q: Can Tear CARE be used after the expiration date on the bottle?

A: Regulatory safety warnings state that the medicine must not be used after the designated expiration date printed on the container. This is necessary due to the potential loss of stability or sterility over time.


Q: What percentage of people experience side effects with Tear CARE?

A: Official documents classify side effects by frequency (e.g., Common: ge 1/100 to <1/10), but they do not state a single overall percentage of people who experience any side effect during treatment.


Q: Is Tear CARE a steroid medication?

A: No. Tear CARE is officially classified as an Ocular Lubricant or Artificial Tear Agent. This pharmacological class is entirely distinct from steroid medications.

How should Tear CARE be stored and disposed of?

How to Store and Dispose of Tear CARE

Tear CARE (Carboxymethylcellulose Sodium ophthalmic solution) must be stored and handled according to official regulatory specifications to maintain its stability and sterility.


Storage and Handling

Storage is required at room temperature, typically between 15 C to 30 C (59 F to 86 F), and the product must be protected from light. To prevent contamination, the container tip must not touch any surface, and the cap must be securely replaced after use. The product must be stored out of the reach of children.

Stability and Disposal

Single-use vials must be discarded immediately after one application. Multi-dose bottles are often required to be discarded 90 days after opening. Unused or expired medication should be mixed with an undesirable substance (such as dirt) and placed in a sealed container before being thrown into household trash, in line with FDA-recommended disposal practices.

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

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