patients were excluded from long-term study if there was a diagnosis of glaucoma prior to examination at our institution ( 199 patients ) , if glaucoma was present at the time of diagnosis of pex ( 40 patients ) , if there was a history of prior intraocular surgery or disease ( 19 patients ) , or if there was only one ocular examination performed ( 75 patients ) .
C0017601
glaucoma
C0015392
ocular