Question

In Ortho-K a reverse geometry lens design is used, which is beneficial in 3 ways, which are:

a) Enhances tear production, reduces corneal edema, improves peripheral vision

b) Reduces spherical aberration, minimizes corneal compression, provides clear central vision

c) Increases oxygen permeability, corrects irregular astigmatism, ensures consistent lens centration

d) Minimizes glare, enhances contrast sensitivity, corrects color perception

Answer 1

Ortho-K is a non-surgical treatment that uses specialized contact lenses to reshape the cornea and correct vision. The reverse geometry lens design used in Ortho-K provides benefits such as enhancing tear production, reducing corneal edema, and improving peripheral vision.

Step-by-step explanation:

Orthokeratology (Ortho-K) is a non-surgical treatment that uses specialized contact lenses to reshape the cornea and correct vision. The reverse geometry lens design used in Ortho-K provides several benefits, including:

1. Enhancing tear production: The contact lens design stimulates tear production, which can help relieve dry eye symptoms.
2. Reducing corneal edema: The contact lenses redistribute the fluid in the cornea, reducing swelling and improving corneal health.
3. Improving peripheral vision: Ortho-K lenses can improve peripheral vision by providing clear, uninterrupted vision across a wider field of view.

These benefits make Ortho-K a popular option for individuals who want to correct their vision without the need for surgery or daytime contact lens wear.