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Dr. A.S. Desai
Dr. A.S. Desai, Ophthalmologist
Category: Eye
Satisfied Customers: 2069
Experience:  MS Ophthalmology with 11 years of surgical expereince
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Im losing vision in one eye with no other symptoms. I have

Resolved Question:

I'm losing vision in one eye with no other symptoms. I have a Corneal scar, which i've had for years, but my vision has deteriorated in that eye over the last few weeks. Can a scar suddenly make my vision unstable? (irregular astigmatism that changes noticabely over 2 weeks?)
Submitted: 4 years ago.
Category: Eye
Expert:  Dr. A.S. Desai replied 4 years ago.
Hello,

Welcome to Just Answer

How did the corneal scar occur- due to any eye injury/ following an eye infection?

In these few weeks have you experienced any eye pain/ redness?

Have you got your blood sugar tested in recent times?

Have you had an eye exam anytime?
Customer: replied 4 years ago.

No injury to the eye. I'm assuming it's from Rubella which I had as an adult (in my 20's).

 

No recent eye pain/redness. No diabetic issues (checked at annual physical) I also have annual eye exams and I am in the process of getting this diagnosed now; but I want to make sure I'm asking the right questions. They are leaning on the scar causing the issue but it's been there with no effect for so long.

Expert:  Dr. A.S. Desai replied 4 years ago.

Rubella in your 20s is unlikely to have caused an eye lesion as it is more often seen in congenital syndrome( characterised by cataract , glaucoma, retinopathy ) . The corneal scar could have been due to co-existing infection of the cornea ( could be bacterial or viral ) . You are right that a corneal scar causes irregular astigmatism but then it is more gradual and is not so obvious as in few weeks. It would not be correct to attribute a recent decrease in vision to an old corneal scar. The eye will have to be examined in detail for other causes of reduced visual acuity related to anterior segment ( uveitis / glaucoma ), posterior segment ( retina / optic nerve related ) . Further course of action for corneal scar depends on its location on the cornea( from which clock hour to which clock hour eg 4o'clock to 8o'clock) , its depth ( whether superficial or deep ) , central or peripheral in location. If any signs of inflammation are found , it is treated with steroid eye drops . If no inflammatory signs are seen , then only corneal scar can be treated with either partial thickness keratoplasty for superficial scars or full thickness graft for deep scars. If the scar is very faint ( nebular grade ) , steroids are tried for a few months to see whether the scar heals. PTK( phototherapeutic keratectomy) laser has been done for corneal scars too .

Thanks and best wishes

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Dr. A.S. Desai, Ophthalmologist
Category: Eye
Satisfied Customers: 2069
Experience: MS Ophthalmology with 11 years of surgical expereince
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