definition of retinitis
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Definitions &Translations Freebase (0.00 / 0 votes) Rate this definition: Retinitis. Retinitis is inflammation of the retina in the eye, which may lead to blindness. Retinitis may be caused a number of different infectious agents. U.S. National Library of Medicine (0.00 / 0 votes) Rate this definition: Retinitis. Inflammation of the RETINA. It is rarely limited to the retina, but is commonly associated with diseases of the choroid (CHORIORETINITIS) and of the OPTIC DISK (neuroretinitis).
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Translations for retinitis pigmentosa Retinitis pigmentosa Retinitis pigmentosa is an inherited, degenerative eye disease that causes severe vision impairment and often blindness. The progress of RP is not consistent.
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Keratitis Keratitis is a condition in which the eye 's cornea, the front part of the eye, becomes inflamed.The condition is often marked by moderate to intense pain and usually involves any of the following symptoms: pain, impaired eyesight, photophobia, red eye and a 'gritty' sensation.eratitis is a condition in which the eye 's cornea, the front part of the eye, becomes inflamed.
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Keratitis Keratitis is the medical term for inflammation of the cornea. The cornea is the dome-shaped window in the front of the eye. When looking at a person's eye, one can see the iris and pupil through the normally clear cornea.he cornea is about 0.5 millimeter thick. The back of the cornea is bathed in the aqueous fluid that fills the anterior chamber of the eye. The cornea has a diameter of about 13 millimeters (½ inch) and, together with the sclera (the white part of the eye) forms the entire outer coat of the eye.
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Retinitis Pigmentosa Retinitis Pigmentosa Symptoms and Signs. Since retinitis pigmentosa begins as rod degeneration, the patient first notices increasing difficulty in night vision, followed by difficulty seeing in the periphery.Slowly progressive constriction of the visual field leads to tunnel vision.A small area of central vision in both eyes usually persists for years.P is sometimes associated with other systemic illnesses. Usher syndrome, characterized by retinitis pigmentosa and neural hearing loss, is the most common cause of deaf-blindness in the United States. The hearing loss usually is diagnosed earlier than the eye changes. Medically Reviewed by a Doctor on 6/4/2015.
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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.
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- Retinitis pigmentosa (RP) is a rare, inherited disease in which the light-sensitive retina of the eye slowly and progressively degenerates. Eventually, blindness results.
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Overview Cervicitis is an inflammation of the cervix, the lower, narrow end of your uterus that opens into the vagina. It's possible to have cervicitis and not experience any signs or symptoms. Among the signs and symptoms women sometimes notice are bleeding between menstrual periods and changes in vaginal discharge. Often, cervicitis results from a sexually transmitted infection, such as chlamydia or gonorrhea. Cervicitis can develop from noninfectious causes, too. Successful treatment of cervicitis involves treating the underlying cause of the inflammation. 1  Symptoms.
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otitis otitis - inflammation of the ear. 1  inflammation, redness, rubor - a response of body tissues to injury or irritation; characterized by pain and swelling and redness and heat. 2  labyrinthitis, otitis interna - inflammation of the inner ear; can cause vertigo and vomiting.
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- Medical Definition of IRIDOCYCLITIS. : inflammation of the iris and the ciliary body.
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retinitis pigmentosa retinitis pigmentosa. a group of diseases in humans, frequently hereditary, marked by progressive retinal atrophy, attenuation of retinal vessels, and clumping of the pigment, with contraction of the field of vision.
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Uveitis Defined About Uveitis. Uveitis is a general term describing a group of inflammatory diseases that produces swelling and destroys eye tissues. These diseases can slightly reduce vision or lead to severe vision loss. The term uveitis is used because the diseases often affect a part of the eye called the uvea. Nevertheless, uveitis is not limited to the uvea. These diseases also affect the lens, retina, optic nerve, and vitreous, producing reduced vision or blindness.
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What Is Uveitis? Uveitis, also known as iritis, means you have inflammation -- heat, redness, pain, and swelling -- in one or both of your eyes. It can cause vision loss, but it’s easily treated. See your eye doctor as soon as you notice a problem. If you get treatment early, you can ease your symptoms and protect your vision.
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Making Sense of 401 (k) Hardship Withdrawal Congress allowed two types of hardship withdrawals in 401(k) and other deferred-tax retirement savings plans. One subject to applicable income taxes plus a 10% early withdrawal penalty tax if you are younger than 59½. The other is a penalty-free withdrawal made under Section 72(t) of the Internal Revenue Code.
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Retinitis In this article. Retinitis is a disease that threatens vision by damaging the retina -- the light-sensing tissue at the back of your eye. Although there's no cure, there are steps you can take to protect your sight and make the most of the vision you have.
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Retinitis Pigmentosa 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.
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- A tearing or separation of the retina (the light-sensitive lining at the back of the eye) from the underlying tissue. Retinitis Pigmentosa A group of inherited disorders of the retina (the light-sensitive lining at the back of the eye), which cause poor night vision and a progressive loss of side vision.
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- What Is Empathy? The term “empathy” is used to describe a wide range of experiences. Emotion researchers generally define empathy as the ability to sense other people’s emotions, coupled with the ability to imagine what someone else might be thinking or feeling.
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- Retinitis pigmentosa is the leading cause of inherited retinal degeneration-associated blindness. The disease process begins with changes in pigment and damage to the small arteries and blood vessels that supply the retina. There may be atrophy or damage to the optic nerve as well.
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- 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.
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retinitis pigmentosa n. A hereditary degenerative disease of the retina, producing conditions such as night blindness, pigmentation changes in the retina, narrowing of the visual field, and the eventual loss of vision. Also called pigmentary retinopathy, tapetoretinal retinopathy.
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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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- Mutations in more than 60 genes are known to cause nonsyndromic retinitis pigmentosa. More than 20 of these genes are associated with the autosomal dominant form of the disorder. Mutations in the RHO gene are the most common cause of autosomal dominant retinitis pigmentosa, accounting for 20 to 30 percent of all cases.
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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.
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- Definition of retinitis pigmentosa - a chronic hereditary eye disease characterized by black pigmentation and gradual degeneration of the retina. Definition of retinitis pigmentosa - a chronic hereditary eye disease characterized by black pigmentation and gradual degeneration of the retina. dictionary thesaurus
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conjunctivitis Conjuctivitis is an inflammation or redness of the lining of the white part of the eye and the underside of the eyelid (conjunctiva) that can be caused by infection, allergic reaction, or physical agents like infrared or ultraviolet light.ollicular conjunctivitis Conjunctivitis characterized by follicles (usually in one eye only) caused by adenoviruses or chemical or toxic irritation and frequently associated with lymph-adenopathy. See adult inclusion conjunctivitis; conjunctival follicle; lymphadenopathy.