Corneal guttata | Posterior polar cataract |
Corneal scars/opacity | Children |
Glaucoma | Co-existing diabetic retinopathy |
Pseudoexfoliation | Vitrectomised eye |
Traumatic cataract | Scleritis |
Subluxated lens | Bleeding disorders |
Small pupil | High risk of expulsive haemorrhage |
Nanophthalmos | Deep set eye |
High myopia | Torticollis |
Iritis | Chronic obstructive pulmonary disease |
Mature cataract | Anxious patient |
Hard nucleus | Deaf patient |
Soft nucleus | Confused patient |