Simple , quick , painless test to measure the thickness of Cornea
Ultrasonic probe called Pachymeter is gently placed on the front of the eye
Prior to Refractive surgeries to determine if a patient is a candidate for laser vision correction as part of the procedure involves reshaping the cornea which will make ghe cornea thinner. Hence it is mandatory to know exactly how much corneal tissue will remain as some people will have a cornea thinner than normal
To deduce actual IOP in Glaucoma patients
* This is because actual intraocular pressure may be underestimated in thinner corneas & overestimated in thicker corneas.