Glaucoma Tag

Dr. Gary Foster - Fort Collins & Loveland, CO [caption id="attachment_1326" align="alignright" width="364"] Eye Pressure After Cataract Surgery[/caption] There is good news and bad news about the pressure in the eyes after cataract removal. The good news is that cataract surgery tends to lower eye pressure...

[caption id="attachment_275" align="alignright" width="150"]Cataract Surgery Lowers Eye Pressure Cataract Surgery Lowers Eye Pressure[/caption] A series of studies have now shown that cataract surgery tends to lower intraocular pressure (IOP).   What does that mean for you?  Let’s start with an explanation of what pressure does to your eye.  The eye is a thin walled ball.  If your eye did not have pressure higher than the air in the atmosphere it would collapse like a popped balloon.  The air around us, by convention, has a pressure of 0.  In a healthy eye, the IOP has from 10-21 mmHg of pressure.  The eye needs to have some pressure, but if the pressure gets too high it can damage the fragile nerves responsible for vision.  Glaucoma is an eye disease where the IOP is too high so patients take eye drops every day to lower the IOP.

[caption id="attachment_262" align="alignright" width="150"]Glaucoma can affect vision and eye movement speed Glaucoma can affect vision and eye movement speed[/caption] A recent study in Eye and Brain, Nov 2012, found evidence that patients with glaucoma had a delayed reaction time with their eye movements.  Glaucoma is a disease where the nerve cells that send vision information from the eye to the brain progressively stop working, starting with peripheral vision and then moving towards the center.  It is the leading cause of non-reversible blindness worldwide.  Fortunately, there are many treatments to stop or slow this loss.