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Glaucoma refers to a group of eye conditions that lead to damage to the optic nerve, the nerve that carries visual information from the eye to the brain. In many cases, damage to the optic nerve is due to increased pressure in the eye, also known as intraocular pressure (IOP).
Short eye anatomy: Angle closure glaucoma is a rapid, usually painful, elevation in eye pressure (from < 20 to over 40 and higher) induced by forward movement of the lens. This occludes the pupil, causing the site of aqueous outflow (the iris-corneal angle) to close. The eye becomes red and painful, and vision foggy. Treatment should be prompt; extended high pressure can irreversibly damage the optic nerve. ...Read moreSee 1 more doctor answer
Not associated : Glaucoma, when serious, causes scotomas (blind areas), that may be misconstrued as floaters. Glaucoma may be caused by intraocular bleeding, retinal tears/detachment, tumors, inflammation all of which may have some type of floating substance, but not the classic degenerative (age related) floaters. So, glaucoma isn't a disease that causes floaters ...Read moreSee 1 more doctor answer
Possible: Not a typical presenting symptom but at more advanced stages, especially if both eyes affected, contrast sensitivity will be decreased. ...Read moreSee 2 more doctor answers
Depends: Most glaucoma is asymptomatic until end stage disease when the vision is decreased in both eyes. At that point, contrast, acuity, and peripheral vision are diminished. Thus, screening is key if at risk. A particular type called acute angle closure glaucoma with a sudden rise in eye pressure can have symptoms of red eye, severe eye pain, blurred vision, haloes, headache, nausea, vomiting... ...Read moreSee 2 more doctor answers
Signs & symptoms: There are 2 main types of glaucoma: acute closed-angle and chronic open-angle. Acute glaucoma usually affects one eye, presenting with sudden eye pain, blurred vision, halos seen around light, nausea and vomiting, and a non-reactive dilated pupil. Chronic glaucoma usually is asymptomatic, but can present with gradual loss of vision and headache. Both have increased intraocular pressures. ...Read moreSee 2 more doctor answers
As part of glaucoma diagnosis i was told that I have low normal central corneal thickness. Does this mean below average thickness of cornea?
Yes.: Low cct causes artificially low pressure. If the pressure is high with a low cct, it may be glc. ...Read moreSee 1 more doctor answer
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