Doctor insights on:
Does Blockage In Arteries Of Retina Cause Vision Loss
See a retina special: Yes. Lack of blood flow due to a retinal artery occlusion can cause severe loss of vision from damage to the retina. A central retinal artery occlusion is worse than a branch retinal artery occlusion. There are no good treatments, but a systemic workup looking for an embolic source is required (carotid ultrasound, echocardiogram). A rarer cause is giant cell arteritis. ...Read moreSee 2 more doctor answers
Arteries are defined as blood vessels which carry blood away from the heart (to either the body or lungs). Arteries: higher pressure, thicker walls, stretch (pulse) with each heart contraction & deliver blood to the arterioles which control the flow to individual capillaries. Veins are blood vessels which carry blood from capillaries back to the heart (body to right heart; ...Read more
What causes impaired circulation which in turn cause thinning of the retina(lattice degeneration) ?
Short or long term?: The leading cause of correctable vision loss is cataract. Glaucoma causes a slowly evolving loss if unresponsive to treatment and causes much vision loss especially in the third world. The two major causes of uncorrectable loss are diabetes and macular degenration. Diabetes loss is prevalent in the 60's (and younger) while mac degen affects a more elderly age group. ...Read more
Yes. Call Now!: Patients who have had carotid artery surgery definitely have a risk of stroke. The highest risk of stroke is during and immediately after the procedure and is generally quoted at about 2%. If you are experiencing any signs of stroke and have had recent carotid surgery call your surgeon immediately or go to the emergency room. Difficulty speaking or weakness on one side of the body would be the most common complaints. ...Read moreSee 2 more doctor answers
When a person has significant blockage of the heart arteries it will result in reduced body energy.Will the blockage also affect memory and eyesight?
May be: Significant blockage will result in an inability to be active due to reduce performance of your heart pumping o2 blood to all your body. May be even causing heart failure. If that happen, in theory, your memory could suffer. Not sure about your sight. I will advice to get a good eye specialist to check your eyes. Also check with your primary care doctor to r/o other causes of memory loss. ...Read moreSee 1 more doctor answer
Can optic nerve head drusen cause sudden unilateral loss of peripheral vision due to a spontaneous vascular event?
Depends on age: There is a different spectrum of vision loss in these conditions depending upon age. Diabetes can alter the vision and will affect younger patients but diabetics tend to die from their disease and fail to reach old age. Glaucoma is common throughout older age but mostly is treatable. Macular degeneration is more common in the very elderly who are healthy enough to reach older ages. ...Read moreSee 1 more doctor answer
Can sudden peripheral vision loss due to optic nerve head drusen reverse, change in severity or fully recover?
Not typical!: Optic nerve he'd drusens are associated with field loss sometimes, but they are chronic and stable. I am not aware of them being associated with sudden loss. Look for a different cause! depending on the that, it may or may not be reversible (most likely not). ...Read more
Yes. BRVO & CRVO.: Branch retinal vein occlusion (brvo) and central retinal vein occlusion (crvo) are due to clotting in these tiny retinal vessels. There are mild and severe vein obstructions leading to varying degrees of vision loss. In the last five years, several innovations in the treatment of these diseases has occurred. Early detection and treatment of the condition and it's underlying causes is key. Exam. ...Read moreSee 1 more doctor answer
If glaucoma is 2nd leading cause of blindness, what percent of patients with open angle glaucoma go blind or have substantial field vision loss?
In glaucoma 20% optic nerve damage and minimal peripheral vision loss. Eye drop reduced pressure from 31 to 16. What is my prognosis?
Favorable: You have early loss with probably no functional damage at this point. Glaucoma is successfully treated with regular follow-ups and diligent use of the treatment recommended. You can do well with reasonable effort on your part. And the advice of a good glaucoma ophthalmologist. ...Read moreSee 1 more doctor answer
Problem in vision of right eye after diagnosis of pvd/ is that due to floaters or retinal tear now?
Blood clot in posterior to the retina due to blunt injury to the eye with loss of vision. Pls tell me if the vision comes back or not?
Depends on damage. : Traumatic retinal hemorrhages can range from superficial to catastrophic. If there is too much damage to the retina or there is blood underneath the retina, the damage may be permanent. In that case, the vision may not come back. See your retinal specialist for more specific information. ...Read moreSee 1 more doctor answer
Can peripheral swelling unrelated to vascular disease apply pressure on veins/arteries and reduce vascular flow, causing hair loss in leg?
Pressure atrophy: One theory is that pressure too high for the back of the eye to withstand causes constriction of the blood flow with atrophy of the tissue (nerve fiber) supplied by that blood stream. They then atrophy and this is the basis for the thinning. Lowering the pressure below that threshold for damage prevents further blood vessel constriction and allows the remaining nerve fibers to stay healthy. ...Read more
Loss of vision reflects the inability to perceive images. Such a phenotype can be due to occlusive or barriers to light (e.g. cataracts) through retinal alterations (e.g. wet macular degeneration) to optic nerve lesions (e.g. from a pituitary adenoma) to central nervous system ...Read more
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