Ophthalmology What is the value of diurnal variation of IOP above which diagnosis can be made as Glaucoma A 5 mm of Hg B 6 mm of Hg C 8 mm of Hg D 10 mm of Hg 💡 Explanation What is the value of diurnal variation of IOP above which diagnosis can be made as Glaucoma ✓ Correct Answer: C. 8 mm of Hg