Keratoconus & Treatment-By

In 1963, scientists found that the initial changes of Keratoconus were related to break down of the corneas basement membrane like conical shape.

They found that this cause happens due to thin of cornea and its shape changes as a conical.

Introduction

Comparison between Normal & Keratoconus

Keratoconus

From the above figure investigator conclude that enzyme activity of Keratoconus increase gradually compare to normal eye.

In this case cornea is responsible for 80% of the absorption of ultraviolet B(UVB) light that enters the eye.

Ultraviolet create free oxygen radicals, high energy molecules, which if unchecked can damage tissue.

Details

Intacs – Post-Op Day 1 of Patient 1

Corneal Topography of Patient 10

Pre-op Post-op

Keratoconus corneas produce enzyme which is unique not found in normal corneas.

The main goal to focus on corneas which is reduce something like cone which is different from normal corneas.

Description

Comparison of links

Keratoconus Pattern

Keratoconus Clinical Classification

Rigid Gas Permeable Contact Lenses

Visual Distortion

Different Maps

Axial:-Distance to reference point not curves.

Tangential:-Local or true curvature best of shape.

Axis Representation

Treatment is categories into two parts conservative and surgical.

Now Surgical removing central nodular scars by shaving the corneal surface may improve contact lens and decrease the rate of associated corneal abrations.

But conservative treatment take place without any operation and intervention.

Treatment

Keratoconus Course

Placement of Intacs using manual dissection technique appears to be efficacious treatment modality for keratoconus.

Most patients achieve better spectacle corrected visual acuity with concurrent decrease in astigmatism.

Conclusions

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