define pigmentary retinopathy
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- pigmentary retinopathy. [pig′mənter′ē] a disorder of the retina characterized by deposits of pigment and increasing loss of vision. pig·men·tar·y re·ti·nop·a·thy.
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Central Serous Retinopathy Central serous retinopathy is a slight accumulation of fluid in the macular region of the eye thatlies between the retinal pigment epithelium and the outer segments.entral serous retinopathy is due to a leakage, of unknown origin, through the pigment epithelium.
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Simple Anatomy of the Retina A view of the fundus of the eye and of the retina in a patient who has advanced diabetic retinopathy. Retinits pigmentosa (Fig. 24) is a nasty hereditary disease of the retina for which there is no cure at present.
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Overview Diabetic retinopathy (die-uh-BET-ik ret-ih-NOP-uh-thee) is a diabetes complication that affects eyes. It's caused by damage to the blood vessels of the light-sensitive tissue at the back of the eye (retina). At first, diabetic retinopathy may cause no symptoms or only mild vision problems. Eventually, it can cause blindness. The condition can develop in anyone who has type 1 or type 2 diabetes.
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Retinitis Pigmentosa Symptoms of Retinitis Pigmentosa. The first signs of retinitis pigmentosa usually occur in early childhood, when both eyes typically are affected. Night vision can be poor, and the field of vision may begin to narrow.Pigmentation in the retina is a sign that light-sensing cells are deteriorating, so it becomes very difficult to see in dim light.he first signs of retinitis pigmentosa usually occur in early childhood, when both eyes typically are affected. Night vision can be poor, and the field of vision may begin to narrow. Pigmentation in the retina is a sign that light-sensing cells are deteriorating, so it becomes very difficult to see in dim light.
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Diabetic Retinopathy - Topic Overview Diabetic Retinopathy - Topic Overview. Retinopathy is a disease of the retina . The retina is the nerve layer that lines the back of your eye. It is the part of your eye that takes pictures and sends the images to your brain. Many people with diabetes get retinopathy. This kind of retinopathy is called diabetic retinopathy (retinal disease caused by diabetes). Diabetic retinopathy can lead to poor vision and even blindness.
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What is retinitis pigmentosa? RP is diagnosed in part through an examination of the retina. An eye care professional will use an ophthalmoscope, a tool that allows for a wider, clear view of the retina. This typically reveals abnormal, dark pigment deposits that streak the retina. These pigment deposits are in part why the disorder was named retinitis pigmentosa.
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Medical Definition of Pigmentation home / medterms medical dictionary a-z list / pigmentation definition Medical Definition of Pigmentation Pigmentation: The coloring of the skin, hair, mucous membranes, and retina of the eye. Pigmentation is due to the deposition of the pigment melanin, which is produced by specialized cells called melanocytes. Other pigment-related terms include hyperpigmentation (too much pigment), hypopigmentation and underpigmentation (too little pigment), and depigmentation (loss of pigment).
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Retinoschisis Retinoschisis is an eye disease characterized by the abnormal splitting of the retina 's neurosensory layers, usually in the outer plexiform layer.Most common forms are asymptomatic, some rarer forms result in a loss of vision in the corresponding visual field.etinoschisis is an eye disease characterized by the abnormal splitting of the retina 's neurosensory layers, usually in the outer plexiform layer.
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proliferative retinopathy There are two major forms of diabetic retinopathy, nonproliferative and proliferative. The nonproliferative form is characterized by dilation of the retinal veins and microaneurysms which may leak blood cells and/or plasma, causing internal hemorrhaging or edema in the retina.
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Hypertensive Retinopathy: The Cardiovascular Connection Hypertensive retinopathy is a marker of cardiovascular disease and its signs are common, even in patients without high blood pressure. Hypertensive retinopathy has long been regarded as a risk indicator of mortality in persons with severe hypertension, but its value in contemporary clinical practice is uncertain.
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Retinitis pigmentosa Retinitis pigmentosa (RP) is a genetic disorder of the eyes that causes loss of vision. Symptoms include trouble seeing at night and decreased peripheral vision (side vision). Onset of symptoms is generally gradual. As peripheral vision worsens, people may experience tunnel vision. Complete blindness is uncommon.
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Review ArticleHypertensive retinopathy The term hypertensive retinopathy is used for all the fundus changes caused by increased systemic arterial blood pressure.
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Study finds link between gene mutation and retinitis pigmentosa in U.S. Hispanic families Retinitis pigmentosa is a group of rare, genetic eye disorders in which the retina of the eye slowly degenerates. The disease causes night blindness and progressive loss of peripheral vision, sometimes leading to complete blindness.
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Proliferative vitreoretinopathy Proliferative vitreoretinopathy is a disease that develops as a complication of rhegmatogenous retinal detachment. PVR occurs in about 8–10% of patients undergoing primary retinal detachment surgery and prevents the successful surgical repair of rhegmatogenous retinal detachment. PVR can be treated with surgery to reattach the detached retina but the visual outcome of the surgery is very poor. PVR was originally referred to as massive vitreous retraction and then as massive periretinal ...
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Progressive retinal atrophy Progressive retinal atrophy (PRA) is a group of genetic diseases seen in certain breeds of dogs and, more rarely, cats. Similar to retinitis pigmentosa in humans, it is characterized by the bilateral degeneration of the retina, causing progressive vision loss culminating in blindness.
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- Note the flat, black well circumscribed lesion with areas of retinal pigment epithelial atrophy. The retinal pigment epithelium (RPE) is a pigmented layer of the retina which can be thicker than normal at birth (congenital) or may thicken later in life.
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Retinitis Retinitis pigmentosa (RP). This is a group of genetic eye diseases you inherit from one or both parents. Some examples of RP and related diseases: 1  Usher syndrome. 2  Leber's congenital amaurosis (LCA).
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What Is Retinitis Pigmentosa What Is Retinitis Pigmentosa. Retinitis Pigmentosa (RP) refers to a group of diseases which cause a slow but progressive vision loss. In each of them there is a gradual loss of the light-sensitive retinal cells called rods and cones. Most forms of RP are inherited or genetic, though its signs do not necessarily appear in every generation.
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Retinitis pigmentosa Retinitis pigmentosa (RP) is an inherited, degenerative eye disease that causes severe vision impairment due to the progressive degeneration of the rod photoreceptor cells in the retina.etinitis Pigmentosa is the leading cause of inherited blindness, with approximately 1/4,000 individuals experiencing the non-syndromic form of their disease within their lifetime.
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Macular Disorders Central serous chorioretinopathy (CSCR). 1  Description-also known as central serous retinopathy (CSR), this condition is characterised by fluid leakage at the level of the retinal pigment epithelium (which lies just beneath the photoreceptors) in the macular area.
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- Retinitis Pigmentosa: Retinitis pigmentosa is an inherited eye disorder characterized by progressive loss of peripheral vision and night vision difficulties that can cause central vision loss. More detailed information about the symptoms, causes, and treatments of Retinitis Pigmentosa is available below.etinitis Pigmentosa: Retinitis pigmentosa is an inherited eye disorder characterized by progressive loss of peripheral vision and night vision difficulties that can cause central vision loss. More detailed information about the symptoms, causes, and treatments of Retinitis Pigmentosa is available below.
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Retinopathy Hypertensive retinopathy. Hypertensive retinopathy occurs in people who have high blood pressure. High blood pressure causes blood vessel abnormalities. Abnormalities may include thickening of the small arteries, blockages of retinal blood vessels and bleeding from them. Sudden, severe high blood pressure may cause swelling of the optic nerve.
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PROLIFERATIVE VITREORETINOPATHY (PVR) One complication of retinal detachment is Proliferative vitreoretinopathy (PVR), a condition which prevents the retina from healing. What is Proliferative Vitreoretinopathy (PVR)? Proliferative Vitreoretinopathy (PVR) occurs when a scar forms under or on the retina after retinal detachment, preventing the retina from healing and falling back into place.
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What Is Retinitis Pigmentosa? Retinitis pigmentosa (RP) refers to a group of inherited diseases causing retinal degeneration. The cell-rich retina lines the back inside wall of the eye. It is responsible for capturing images from the visual field.