**2. Pre-operative assessment**

Thorough anterior segment evaluation with special attention to health of corneal epithelium, anterior and posterior synechiae, neovascularisation of angles and iris, and cataract need to performed. Vitreous haemorrhage with dense anterior opacities in the Berger's space or significant cataracts can hinder the view behind. Thus a combined cataract surgery along with vitrectomy can be planned in these cases.
