Good vision in dim light and clusmy in day lights seen in-
In cupuliform type of senile coical cataract, saucer shaped opacity develops just below the capsule usually in the central pa of posterior coex (posterior sub-capsular) which gradually extends outwards. So vision is better in dim light when pupils are dilated. Ref: AK Khurana 6thE pg189 REF IMG
Coical cataract
Morgagnian cataract
Nuclear cataract
Steroid induced cataract
Lens