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Retinal Vein Occlusion (RVO): Types, Risk Factors, Symptoms, Diagnosis & Treatment in Delhi NCR At Shroff Eye Centre
Lack of proper blood supply and drainage from the retina can compromise eyesight. It needs urgent attention and treatment.
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Branch retinal vein occlusion (BRVO)
Central retinal vein occlusion (CRVO)
what are the Types of Retinal Vein Occlusions?
There are two types of RVO:
Central retinal vein occlusion (CRVO) is the blockage of the main retinal vein
Branch retinal vein occlusion (BRVO) is the blockage of one of the smaller branch veins.
Risk Factors for Retinal vein occlusion
Despite similarities, the risk factors differ between Central & Branch Retinal Vein Occlusion (CRVO vs BRVO)
CRVO
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CRVO
BRVO
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BRVO
Signs and symptoms of Retinal Vein Occlusion
Painless loss of vision- Gradual or sudden, usually noticed in one eye first
Blurry vision while reading, watching television- sometimes transient blurriness
Dark spots in your vision
Asymptomatic
Retinal Vein Occlusion diagnosis
The following investigations help us visualise the blockage, see the areas of non-perfusion and also document the state of the retina and the macula:
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Comprehensive dilated retina exam
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Optical coherence tomography (OCT)
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Fluorescein Angiography
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OCT angiography
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Fundus photo
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ECG, Blood tests
Advanced Treatment Options for Retinal Vein Occlusion in Delhi NCR
There is currently no way to re-open a blocked vessel in the eye. The treatment is aimed at problems which may arise as a result of the venous occlusion and which can cause loss of eyesight if not treated- macular edema, retinal neovascularisation and glaucoma.
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Lifestyle modification
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Intravitreal injections
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Laser photocoagulation
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MIVS
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Regular follow up
Prevention of Retinal Vein Occlusion
Usually, retinal vein occlusion is caused by an underlying medical condition such as high blood pressure, diabetes or heart disease. So it’s important to
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Control blood pressure, cholesterol and blood sugar levels
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Maintain a healthy weight
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Avoid smoking
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Exercise regularly
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Eat a healthy diet
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Have regular eye exams if you have any systemic risk factors so that we can detect and treat RVO early if it occurs.
Some people with hypercoagulable blood conditions or those on certain medications like birth control pills should also be in regular touch with their doctors to prevent retinal vein occlusion.
FAQs
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Why does retinal vein occlusion affect eyesight?
The nerve cells of the retina convert light signals into electrical signals and transfer this to the brain to interpret.
These nerve cells need nutrients and oxygen to function- this is brought by the retinal artery. The metabolites and carbon dioxide are carried away by the retinal vein.
Any blockage due to pressure from atherosclerosis (deposition of cholesterol and plaques inside vessels) in retinal artery or blood clots can cause retinal vein occlusion.
When there is a blockage, the blood cells and the cells of the retinal vein walls release certain chemicals. These chemicals produce edema and promote new blood vessels formation which affects eyesight by causing:
Macular Edema- The edema in the macula (the central most part of the retina responsible for fine vision)
Neovascularisation- proliferation of new, abnormal blood vessels on the retina. These new vessels are leaky and leak fluid and blood into the vitreous. This can lead to floaters, vitreous haemorrhage and even retinal detachment.
Neovascular glaucoma- rise in eye pressure due to new growth of blood vessels near the angle of the eye.
Blindness- If untreated, CRVO can cause irreversible blindness
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Retinal Vein Occlusion Treatment Near You
Eye hospitals near me
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Kailash Colony, South Delhi
A-9, Lala Lajpat Rai Rd, Block A, Kailash Colony, Greater Kailash, New Delhi, Delhi 110048 South Delhi areas- Greater kailash, Lajpat nagar, Cr park, Defence colony, Niti bagh, Saket, Noida GET DIRECTIONS
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Connaught Place, Central Delhi
Building (1st floor, 105, Surya Kiran, 19, KG Marg, New Delhi, Delhi 110001 Central Delhi- serving Karol bagh, Rajender Nagar, Civil lines GET DIRECTIONS
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Gurgaon
110 Bestech Chambers Radisson Suites, Block B, Sector 27, Gurugram, Haryana 122009 Haryana- Golf course road, Cyber city, Rewari, Sohna, Faridabad GET DIRECTIONS
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Ghaziabad
509, KM Trade Tower, adjacent to Radisson Blu, Sector 14, Kaushambi, Ghaziabad, Uttar Pradesh 201010 Uttar Pradesh- Greater Noida, Ghaziabad, Merut, Bulandshahr, Hapur GET DIRECTIONS
