Corneal topography with topographers is used in cataract surgery (to study post-surgery astigmatism), in refractive surgery such as LASIK (to screen candidates for normal corneal shape, patterns and ruling out suspicious or keratoconic patterns) or in assessing contact lenses fitting. Moreover, it helps in determining the suspect of the Keratoconus (intraocular pressure imparts the cone shape to cornea), incision placement and intrastromal ring placement in keratoconus, and to study and ... Read more