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Surgeon elucidates theories on why phaco reduces IOP
NEW ORLEANS — Phacoemulsification reduces IOP in glaucomatous and non-glaucomatous eyes, although clinicians are not certain about the underlying causes, a surgeon said here. During Glaucoma Subspecialty Day preceding the American Academy of Ophthalmology meeting, Douglas J. Rhee, MD, OSN Glaucoma Board Member, discussed theories that may explain how phacoemulsification reduces IOP. “The conventional wisdom had been that pressure is usually reduced by about 1 mm Hg to 4 mm Hg, and this can be sustained for about 3 to 5 years,” Rhee said.