Table 1. Patient Data.

Age	Sex	Race	Contact lens	Surgical history
63	F	Caucasian	No	Lasik
57	F	Caucasian	No	Anterior lamellar keratoplasty
59	F	Caucasian	No	NA
68	M	Caucasian	No	NA
72	M	Caucasian	No	NA
74	M	Caucasian	No	NA
60	F	Caucasian	No	Lasik
59	M	Asian	Yes	NA
70	F	Caucasian	No	NA
65	M	Caucasian	Yes	Lasik
62	F	Caucasian	Yes	NA
75	M	Caucasian	No	NA