Enucleation is done for -a) Retinoblastomab) Malignant melanomac) Glaucomad) Pthisis bulbie) Vitreous hemorrhage
Indications of Enucleation 

Absolute: - Retinoblastoma, malignant melanoma.
Relative: - Painful blind eye, mutilating ocular injury, anterior staphyloma, phthisis bulbi, endophthalmitis, congenital anophthalmia or severe microphthalmia.

Indications for evisceration 

Endophthalmitis not responding to antibiotics
Improvement of cosmosis in a blind eye
Panophthalmitis

Indications of exentration 

Large orbital tumors
Orbital extension of intraocular tumor
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