Prevalence of Keratoconus in a Refractive Surgery Population

Table 2

Reasons for not performing a procedure in refractive surgery candidates (n = 2280 patients).

Reason	n (patients)	%
Keratoconus	548	24.0
Chose not to undergo a procedure	479	21.0
Keratoconus suspect	400	17.5
Thin corneas (<450 µm)	344	15.1
High myopia	321	14.1
High astigmatism	52	2.3
Dry eyes	39	1.7
Amblyopia	27	1.2
Unstable refraction	25	1.1
Retinal disorder	22	1.0
Large pupil	13	0.6
History of radial keratotomy	8	0.4
Cataract	2	0.1