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Questions About Astigmatism And KC
Doctor, I Have Some Questions About Astigmatism And KC.
1) We Know That The Cylindrical Power (Astigmatism) Appears Due To Change in Cornea's Shape. But, Corneal Shape Changes is Comes From Keratoconus Also. So, When A Person Get Cylindrical Power in Eye, How An Doctor Differentiate The Cause Of His Cylindrical Power?
2) In Which Keratoconus Stage Keratoconus Slit Lamps Sign (For Example: Fleisher Ring, Vogt's Striae Etc.) Are Visible Through Slit Lamp?
3) Can Any Eye Specialist Able To Understand The Slit-Lamps Findings Of Keratoconus?
4) Can Regular Astigmatism Cause Ghosting Image? If The Answer Is Yes, Then Is The Ghosting Image 100% Correctable With Normal Spherical-Cylindrical Eyeglasses (Which Have Been Used To Correct Regular Astigmatism)?
Please Answer This Three Question's Doctor. I Will Be Very Very Grateful To You.
You have asked several fairly technical questions best answered after detailed examination of your eyes.
1. We can differentiate regular astigmatism from keratoconus by careful slit lamp exam along with measurement of corneal thickness ( pachymetry) and id in doubt by an investigation called topography.
2. The signs you mention are seen in moderate keratoconus
3. All eye specialists are trained to do this. Many later train for different sub specialties like retina or oculoplasty and hence may not appreciate these changes as much as cornea specialists may.
Maskatieyeclinic Opposite Charni Road station east, Mumbai
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