Pre-Fit Evaluation For CL

Question 1

What tests are used as baseline measurements prior to CL fittings?

Answer 1

Visual Acuity
Keratometer or topographer
Corneal diameter or (HVID)

Question 2

What does HVID stand for ?

Answer 2

Horizontal Visible Iris Diameter

Question 3

Methods to measure HVID

Answer 3

Rectile that fits on slit lamp
Autorefractors
Topographer
Hand-Held divce (white-to-white, ruler)