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Other Disease |
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l Hyperaemia Retinae |
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Hyperaemia is the congestion of blood in the Netrapadalas. Normally, in retina, the size of arteries is 3/4th of that of veins. If there is any congestion of blood, the size of veins and arteries will be changed. This may happen actively (Active Hyperaemia) or passively (Passive Hyperaemia). Active Hyperaemia may be caused due to the prolonged use of eyes, working in dim light or due to some accommodation problem of the eyes. Passive Hyperaemia occurs mainly in veins and happens generally in conditions like Glaucoma. |
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l Retinitis Simplex |
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When the occlusion of blood in Netrapadalas is severe, the serum is separated from the blood and distributed among retinal layers, thus swelling occur especially near the optic nerves. |
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l Dazzling of Retina
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Flashes in the eyes, difficulty to see straight, slight distortion in vision, etc. are the symptoms. |
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This condition is very rare. Fundus is orange coloured. There will be bleeding, mostly in front of retina. The bleeding will get absorbed suddenly, but occurs again in another parts of retina.
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l Retinitis Haemorrhagia |
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Also known as Eale's disease, the cause for this disease is unknown. Usually affects adults mostly male. Symptoms include swelling in the retina, feeling of a red coloured screen in front of the eye, vague vision, diminished field vision, swelling of nerves, etc. |
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This happens when minute hemorrhages occur in different parts of the retina. Retinitis Apoplastice is seen in all cases of kidney disorders mainly in shrinkage of the kidney. This is also seen in pregnant women with albuminuria.
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This is a hereditary disorder. Gray opacity is seen in the optic disc through ophthalmoscope. In vitreous some floating marks are seen.
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Blood circulation of retina is decreased due to the shrinkage of retinal blood vessels. Results in complete blindness. |
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l Embolus of the Centralise Retina |
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This is blockage in central retinal artery or in its branches. Because of occlusion, immediate blindness occurs without pain or any other symptoms. |
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l Hyperaesthesia of Retina |
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Hyperaesthesia of retina is over sensitivity of the retina to light. The patient will be afraid of light. Eyelids are always drooped and there will be lacrimation. There will be no problem in vision. |
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l Commotio Retinae |
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Blindness is occurred due to any external injuries on eyeball. |
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l Myopic Degeneration |
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Progressive myopia causes degeneration of retina and retinal detachment. |
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l Glioma of Retinae |
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In the initial stage, there will be no pain or redness in the eyes. Only white or yellow coloured growths are seen. As the disease progresses, there will be detachment of retina, protrusion of the lens and vitreous. This usually occurs in infancy. |
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