Ophthalmology All are true about blackball hyphema EXCEPT A AC completely filled with bright red blood is total hyphema, blackball hyphema if dark red blood B Also called Eight ball hyphema C The black colour is suggestive of impaired aqueous circulation and decreased oxygen D Blackball hyphema causes less pupillary block and less angle closure 💡 Explanation All are true about blackball hyphema EXCEPT ✓ Correct Answer: D. Blackball hyphema causes less pupillary block and less angle closure