Overview of Opsil Tears
| Property | Description |
|---|---|
| Active ingredient | Hypromellose (Hydroxypropyl Methylcellulose) |
| Form | Ophthalmic solution, Eye drops |
| Pharmacological class | Ocular lubricant |
| General purpose | Tear film stabilization and surface wetting |
| Origin | Semi-synthetic polymer (cellulose derivative) |
Opsil Tears: Definition and Pharmacological Classification
Opsil Tears is an ophthalmic solution classified primarily as an ocular lubricant, prepared for topical application directly onto the eye surface. The formulation uses Hypromellose as its single active ingredient, which belongs to the category of artificial tears preparations. This preparation is designed to substitute or supplement the eye's natural tear film. Its classification within the pharmacological class of lubricants establishes its function as a physical protectant in ophthalmic care.
What is Hypromellose and Its Role as a Viscosity Agent?
The core component of the Opsil Tears formulation is the active ingredient, Hypromellose (INN), a semi-synthetic polymer chemically derived from natural cellulose. Hypromellose is integrated into a sterile aqueous vehicle to create the final solution. The principal function of this ingredient is that of a viscosity agent, increasing the fluid's thickness. This enhanced viscosity gives the eye drops a crucial physical characteristic, allowing them to remain on the corneal and conjunctival surface longer than simple non-viscous preparations, extending the duration of lubrication on the eye. Opsil Tears is specifically available in the ophthalmic solution dosage form, optimizing it for ease of application and distribution across the ocular surface.
General Purpose: Stabilizing the Tear Film and Providing Lubrication
The general purpose of Opsil Tears is to provide crucial mechanical lubrication and surface protection. By creating a protective, mucoadhesive layer, the solution helps in maintaining the stability of the precorneal tear film, which works to reduce the friction between the eyelid and the eye surface during blinking. This action is designed to address the physical sensation of discomfort, such as the gritty feeling often associated with insufficient or unstable tear films, thereby providing a clear therapeutic outcome without engaging in systemic drug action.
Regulatory References

