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Table 3 Surface tension at the surface-to-air interface for ophthalmic OTC formulations

From: Surface tension examination of various liquid oral, nasal, and ophthalmic dosage forms

Solution

Indication

Surface tension (dynes/cm)

TheraTears® Lubricant Eye Drops

Used to moisten dry eyes and also to relieve burning sensation, irritation and discomfort caused by dry eyes

70.9 ± 0.2

Refresh® Liquigel Lubricant Eye Gel

Used for moderate to severe dry eye symptoms

66.4 ± 0.2

Refresh® Optive Lubricant Eye Drops

Used to relieve dry, irritated eyes. Decreases symptoms such as irritation, burning

65.6 ± 0.2

Systane® Ultra High Performance

Used to relieve dry, irritated eyes. Decreases symptoms such as irritation, burning

61.0 ± 0.3

Systane® Gel Drops Anytime Protection

Used to relieve dry, irritated eyes. Decreases symptoms such as irritation, burning

54.3 ± 0.6

Clear Eyes® Contact Lens Multi-Action Relief

Relieves dry eyes, rewets lenses, soothes and moisturizes, removes particles from lenses

54.1 ± 0.2

Systane® Balance Restorative Formula

For the temporary relief of burning and irritation due to dryness of the eye

46.5 ± 0.4

Tears

 

~44

Visine-A® Multi-Action Allergy Relief

Temporarily relieves itchy, red eyes due to: pollen, ragweed, grass, animal hair and dander

39.5 ± 0.2

Clear Eyes® Redness Relief

Relieves redness of the eye due to minor eye irritations

37.1 ± 0.2

CareOne™ Sterile Eye Drops

Relief of redness and irritation of the eye

34.3 ± 0.2