Cupuliform cataract stas from-
Cupuliform cataract is posterior subcapsular cataract and gradually extends outwards. Ref: Parson's 22nd/e p.267, 616& 21st/e p.258, 260; Khurana 7th/e p.194 & 4th/e p.177.
Posterior subcapsular region
Anterior capsule
Near nucleus
Annularly
Lens