“…Especially in early diagnosis of glaucoma it seems to be useful because amplitude reduction can indicate early glaucomatous damage [1,5,9,10,25,26,29,36,38,42,43,44]. However, this patient group covers an age range where retinal contrast is impaired by factors like media opacity, subop-timal accomodation, and small pupil size [20,22,33,34,39].…”