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Doctor insights on: Glaucoma

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Dr. Robert Chang
954 doctors shared insights

Glaucoma (Definition)

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).

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What is the definition or description of: acute angle closure glaucoma?

What is the definition or description of: acute angle closure glaucoma?

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 more

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Dr. Jeffrey Stevens
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How does glaucoma cause eye floaters?

How does glaucoma cause eye floaters?

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 more

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Dr. Jeffrey Stevens
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Managing Glaucoma (Tip)

Always mention a family history of glaucoma or if a family member used eye drops for a long time. ...See more

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Managing Glaucoma (Checklist)

Always take your medications
Once
Wash hands before applying drops
Once
Don't touch bottle tip to eye
Once
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Is having poor night vision a symptom of glaucoma?

Is having poor night vision a symptom of glaucoma?

Possible: Not a typical presenting symptom but at more advanced stages, especially if both eyes affected, contrast sensitivity will be decreased. ...Read more

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What are the symptoms of glaucoma?

What are the symptoms of glaucoma?

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 more

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Managing Glaucoma (Tip)

Managing Glaucoma

Even if you forget to take an eye drop on time, it's better late than never! Don't rub eyes ever! ...See more

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Managing Glaucoma (Checklist)

If stable, then reduce visits
Once
Use eyedrops
Once
Have visual fields done
Yearly
Monitor for any side effects
Once
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What are the signs of glaucoma?

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 more

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Dr. Jeffrey Stevens
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