​​​​Post lasik ectasia

Post lasik ectasia is a bulging of cornea in eyes that have undergone lasik eye surgery. The good vision obtained after laser vision correction is decreased.

Symptoms of Post lasik ectasia 

AfterCorneal cross linking was originally described for keratoconus eye disorder. It has proved useful for treating corneal bulge discovered after lasik procedure. Currently epi off cxl gives best results. FDA has approved Avedro’s Photrexa/KXL system to treat post lasik ectasia. In 2017 the only method approved is the epi off classic Dresden protocol. The epithelium over the lasik flap is carefully removed with chemicals, without disturbing the flap. The eye is than soaked with vitamin B2. Irradiation with UVA strengthens the cornea, preventing cornea from bulging forwards. In some cases it can even reverse the bulge.

Dr. Khanna is skilled in treating patients who have had prior lasik eye surgery. He performs Avedro cxl on patients needing it. His office will also help get insurance to cover it. If you have no medical insurance or the medical insurance denies cross linking, his office can offer you $0 down low affordable monthly payments.

Intacs to help vision after post lasik ectasia

Intacs intervention with laser placement can improve vision. It lifts up the bulging part of the cornea. the intacs have to be placed deep below the corneal flap.

The best intervention may depend on your age – if post lasik ectasia occurs in age group 25 to 45 or post lasik ectasia in above 45 years of age.



Prevention of Post Lasik ectasia

History: Frequent rubbing of eyes. Itching or allergies

Family History: History of keratoocnus, corneal transplant

Corneal Topography: KISA index needs to be analyzed

Pachymetry distribution map: Look for focal thinning 

Serial repetition o f the diagnostic tests are helpful.When in doubt avoid making the flap or switching to another procedure. While it may not be possible to entirely prevent post lasik ectasia, due diligence can decrease the incidence.

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