When Does Contact Lens Expire? Contact lenses are medical devices. The expiry date on each bottle and box of the contact lenses represents dates that unopened lenses can still be used. When you have already opened and started wearing the contact lenses, then when to replace these lenses is another thing. This is an […]
So we know that the corneas of keratoconus become thinner and irregular in shape. The cornea becomes steeper or more curved. How does this relate to vision? When light hits the irregularly thin cornea, light scatters and does not focus correctly on the retina. Irregular astigmatism and nearsightedness make vision blurry. People with keratoconus often cannot see distant things […]
What is Keratoconus? According to the American Optometric Association, KERATOCONUS is a condition that occurs when the normally round cornea (outer, transparent part of the eye) becomes thin and cone-shaped. This irregularity prevents the light entering the eye from being focused correctly on the retina which then causes distortion and blurring of vision. “Growing up, parents […]