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Iris in Medical Dictionary

Choroid

... the round, colored part of the eye called the iris . In the center of the iris is a circular hole or opening called the pupil . See an illustration of the iris . When the retina is separated from the ...

Cilia

... - the clear, dome-shaped surface that covers the iris and pupil . A contact lens rests on this part ... in the eye is made by structures behind the iris called the cilia ry processes. The fluid flows ... through the angle. The lens sits behind the iris and the fluid must flow between the ...

Ciliary body

... - the clear, dome-shaped surface that covers the iris and pupil . A contact lens rests on this part ... of the eye that collectively refers to the iris , the choroid of the eye , and the ciliary ... to the retina . The uvea contains the iris , that colored part that controls the amount of ...

Iritis

... Iritis Overview The iris is a circular, pigmented membrane that ... Pathology (r´ts), inflammation of the iris , the pigmented portion of the eye surrounding ... uveitis and refers to the inflammation of the iris of the eye . Also known as anterior uveitis ...

Iris

... Coloboma of the iris may appear as a black, round hole located in or adjacent to the iris (colored portion of the eye ). It can appear as ... , giving the pupil an irregular shape. iris Iritis is inflammation primarily of the ...

Lens

... of the eye is located behind the pupil and iris . It should be clear. The lens refracts, or ... 2. The transparent organ lying behind the iris and pupil that focuses light on the retina ... is a clear tissue that is found behind the iris , the coloured part of your eye . The lens ...

Pupil

... eye . The pupil is the dark aperture in the iris that determines how much light is let into the ... 17) pupil - the opening in the middle of the iris through which light passes to the back of the ... eyes , eyelids and lashes Your cornea and iris for clarity and shininess ... dilated pupil ...

Uveitis

... Anterior uveitis - inflammation of the iris alone or the iris and ciliary body . Also referred to as iritis ... of the eye that collectively refers to the iris , the choroid of the eye , and the ciliary ...

Uvea

... eye beneath the sclera . It consists of the iris , ciliary body , and choroid , which form a ... of the eye , consisting collectively of the iris , the choroid of the eye , and the ciliary ... vision ... The uvea contains the iris , that colored part that controls the amount of ...

Blurred vision

... stinging after using the drops. Increased coloring of the colored part ( iris ) of the eye . This mostly occurs in people with hazel eyes . ... As the tumor enlarges, it may cause distortion of the pupil ( iris melanoma ), blurred vision ( ciliary body melanoma ), or markedly ...

Cornea

... is normally a nearly invisible, transparent structure covering the iris of the eye . Its two purposes are to transmit and focus the light ... window of the eye that transmits and focuses light into the eye . The iris is the colored part of the eye that helps regulate the amount of light ...

Eye

... and protective. The middle tunic layer ( choroid , ciliary body and the iris ) is vascular . Eye floaters Q. I have floaters in my right ... components. These components include but are not limited to the cornea , iris , pupil , lens , retina , macula , optic nerve , choroid and ...

Malignant melanoma

... ; Ocular melanoma Symptoms: A red, painful eye Small defect on the iris or conjunctiva iris color may change Poor vision in one eye Bulging eyes ... ...

Melanin

... a natural substance that gives color (pigment) to hair , skin , and the iris of the eye . Receive our free newsletter or manage your subscriptions ... layer (dermis). Melanin gives color to the skin , hair , and iris of the eyes . Levels of melanin depend on several factors, including ...

Posterior

... Anatomy . Posterior chamber: The space in the eye behind the iris and in front of the lens . (The iris is the colored ring of tissue that regulates the amount of light ...

Adenovirus

... generally improve in less than 2 weeks. These infections may lead to severe inflammation in various parts of the eye - conjunctiva , iris , eyelids, etc. Several virus es have been identified as the causative agents. Among these are Herpesvirus , Adenovirus , Pox virus , and Myxo ...

Angiography

... make the blood vessels visible under x ray. Angiography , fluorescein : A test to examine blood vessels in the retina , choroid , and iris of the eye . A special dye is injected into a vein in the arm and pictures are taken as the dye passes through the blood vessels in the eye . ...

Broad nasal bridge

... ... Characteristic facial appearance including wide set eyes , broad nasal bridge , heavy ridge over eyes , and protruding jaw Defect in iris of the eye Opaque lens of eye ( cataracts ) Blindness Abnormal teeth with pits in the enamel ... ...

Bullae

... pulmonary disease ( COPD ) ... The skin rash of SJS consists of erythema tous (red) papule s, vesicles , bullae . There may also be iris lesion s. The mucosa l lesion s include conjunctivitis as well as oral and genital ulcers . People with asthma or another lung disease ...

Diaphragm

... It controls the amount of light that enters the eye by opening and closing its central hole ( pupil ) like the diaphragm in a camera. The iris , cornea , and lens are bathed in a liquid called the aqueous humor, which is somewhat similar to plasma . The torso should be erect, with ...

Dry Eyes

... by VeriMed Healthcare Network. Dry eyes . Itching , burning, and stinging after using the drops. Increased coloring of the colored part ( iris ) of the eye . This mostly occurs in people with hazel eyes . The change in eye color may be permanent. The result is dry eyes and mouth, ...

Erythema multiforme

... erythema figuratum perstans; erythema fugax; erythema gyratum; erythema induratum; erythema infectiosum ; erythema intertrigo; erythema iris ; erythema keratodes; erythema marginatum; erythema migrans; erythema multiforme ; ... Erythema multiforme Esophageal cancer - ...

Erythema nodosum

... may be decreased as determined by your doctor. Children—Use and dose must be determined by your doctor. erythema intertrigo; erythema iris ; erythema keratodes; erythema marginatum; erythema migrans; erythema multiforme ; erythema multiforme bullosum; erythema multiforme ...

Essential Tremor

... tremor , known as essential tremor , ... essential hypertension ; essential oils; essential phthisis bulbi; essential progressive atrophy of iris ; essential pruritus ; essential tachycardia ; essential telangiectasia ; essential thrombocythaemia; essential thrombocytopenia ; essential ...

Eye infections

... eye caused by minute intracellular agents. These infections may lead to severe inflammation in various parts of the eye - conjunctiva , iris , eyelids, etc. Eye infections or inflammation can occur in different locations. They cause redness as well as possible itching , discharge, ...

Eye pain

... adjust to darker conditions, and peripheral (side) vision loss (resulting in tunnel vision ). Eye redness that is concentrated around the iris Eye pain Light sensitivity Conjunctivitis ( pink eye ) that doesn't improve within a day or two. loss (encephalopathy) Damage to nerve s ...

Fluorescein

... circulation in the retina and choroid . Angiography , fluorescein : A test to examine blood vessels in the retina , choroid , and iris of the eye . A special dye is injected into a vein in the arm and pictures are taken as the dye passes through the blood vessels in the eye . ...

Funnel

... Scoliosis Visual difficulties Flat feet Learning disability / school problems Thin, narrow face Micrognathia (small lower jaw ) Coloboma of iris Hypotonia ... The area at the center of the kidney . Urine collects here and is funnel ed into the ureter , the tube that connects the ...

Galactose

... of muscular dystrophy in adults, and galactose mia , a rare disorder that involves elevated levels of the sugar galactose in the blood . 3 iris color. Congenital cataract s occur if the mother had rubella during the first three months of pregnancy , or if the infant has ...

Galactosemia

... of muscular dystrophy in adults, and galactosemia , a rare disorder that involves elevated levels of the sugar galactose in the blood . 3 iris color. ...

Hemihypertrophy

... syndrome , hemihypertrophy , ... It is associated with certain birth defects including urinary tract abnormalities, absence of the iris (aniridia), and hemihypertrophy (enlargement of one side of the body). Children with certain birth defects are more likely to develop Wilms' ...

Herpes

... of drugs called antivirals. AD 32 ... These infections may lead to severe inflammation in various parts of the eye - conjunctiva , iris , eyelids, etc. Several virus es have been identified as the causative agents. Among these are Herpes virus , Adenovirus , Pox virus , and Myxo ...

Herpesvirus

... ( Urination - Difficulty with Flow) ... These infections may lead to severe inflammation in various parts of the eye - conjunctiva , iris , eyelids, etc. Several virus es have been identified as the causative agents. Among these are Herpesvirus , Adenovirus , Pox virus , and Myxo ...

Hypotonia

... Scoliosis Visual difficulties Flat feet Learning disability / school problems Thin, narrow face Micrognathia (small lower jaw ) Coloboma of iris Hypotonia ... ...

Intra

... such as glucose , through a thin tube into a vein in the arm. Intra ocular pressure, visual field defects, the angle in the eye where the iris meets the cornea , and the appearance of the optic nerve are all considered in the diagnosis of glaucoma . IOP is measured with an instrument ...

Intracellular

... eye caused by minute intracellular agents. These infections may lead to severe inflammation in various parts of the eye - conjunctiva , iris , eyelids, etc. Once an invading organ ism is recognized as foreign, elimination is accomplished through phagocytosis and antibody formation ...

Laser surgery

... prostate tissue . There are several types of laser surgery used to treat glaucoma . Laser peripheral iridotomy makes an opening in the iris allowing the fluid to drain, ... trabeculotomy - In this, the most common type of laser surgery to treat open-angle glaucoma , a laser is used ...

Lead

... due to swollen lymph node s or glands . These infections may lead to severe inflammation in various parts of the eye - conjunctiva , iris , eyelids, etc. Several virus es have been identified as the causative agents. Among these are Herpesvirus , Adenovirus , Pox virus , and Myxo ...

Micrognathia

... Scoliosis Visual difficulties Flat feet Learning disability / school problems Thin, narrow face Micrognathia (small lower jaw ) Coloboma of iris Hypotonia ... ...

Myopia

... unless they were born prematurely. Radial keratotomy for myopia - series Illustrations: The cornea is the clear covering over the colored iris and pupil of the eye . The cornea and lens of the eye help focus light on the retina so that the eye can see. Update Date: 7/4/2001 ... ...
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