Eye Drops – Punctal Occlusion

Posterior Vitreous Detachment. 1. Posterior vitreous separates from the retina and collapses anteriorly toward the vitreous base. 2. Vitreous base straddles the ora serrata, 2mm anteriorly and 2-4 mm posteriorly. 3. Weiss ring: attachment of the vitreous at the optic nerve head. 4. ................
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