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Daltonism

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Defects of the contact lenses

The most common defects of the contact lenses include: Damaged edge of the contact lenses Tearing or scratching contact lenses Inorganic

Dehydration of the contact lenses

Dehydrated contact lenses (drying) can occur especially at higher temperatures and when the air is dry, incomplete or irregular blinking, age or contact lenses. During dehydration varies…

Deposits

Deposits on contact lenses are invisible to the human eye and are the most common cause of inflammation. Tear film forms protein…

Diabetic Retinopathy

Diabetic retinopathy is a complication of diabetes that affects the…

Diagnostic contact lenses

These are the corneal or scleral contact lenses that serve as a locator for intraocular…

Discomfort with contact lenses

Discomfort while wearing contact lenses is not always caused by only wearing lenses or poor hygiene. Reason may be the use of pharmacological agents.

Diverging lens

Diverging lens (concave lens) is used for correction of myopia. Converts the parallel beam after passing…