Ophthalmology In angle closure glaucoma, obstruction to outflow of aqueous humour mainly due to the involvement of: September 2007 A Canal of schlemm B Trabecular meshwork C Iris D Scleral venous plexus 💡 Explanation In angle closure glaucoma, obstruction to outflow of aqueous humour mainly due to the involvement of: September 2007 ✓ Correct Answer: C. Iris