Causes of Shallow Anterior chamber are all except:
Hypermetropia with small axial length
Pupil block due to vitreous bulge after Intra Capsular Cataract Extraction
Iris Bombe
Pathological Myopia
Pathological myopia causes deep anterior chamber. Small axial length causes shallow anterior chamber. Pupil block also would decrease it by doing pupillary block. As it would do the bulge . AC would be shallow in periphery. Iris bombe also causes protrusion of iris and shallow AC Aphakia & myopia- have deep Anterior Chamber definitely. Note- in aphakic patients there will be H/O of limbal surgery (scar on limbus), JET BLACK puppil and tremulousness of iris k/a iridionesis along with deep anterior chamber
Glaucoma