define epiphora eye
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Medical Dictionary Medical Definition of epiphora. : a watering of the eyes due to excessive secretion of tears or to obstruction of the lacrimal passages.
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Causes and treatments for watering eyes Watering eye, also known as epiphora or tearing, is a condition in which there is an overflow of tears onto the face, often without a clear explanation. There is insufficient tear film drainage from the eye(s) - instead of all the tears draining through the nasolacrimal system, they overflow onto the face.
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- There are several etiological factors that cause epiphora, and treatment differs according to the cause. We aimed to evaluate the etiology of epiphora and the treatment modalities of the affected patients. Materials and Methods. Data of patients who were referred to ophthalmology clinics for epiphora were retrospectively analyzed.
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- The anatomy is best appreciated when described in an anterior to posterior fashion. The cornea is the outermost anterior structure and serves as a window for light to pass into the eye. It forms the anterior boundary of the anterior chamber, with the iris forming the posterior boundary.The anterior chamber is filled with aqueous fluid, a clear liquid produced by the ciliary body. The cornea is contiguous peripherally with the tough, avascular wall of the eye called the sclera.Overlying the sclera are thin vascular layers called the episclera and the conjunctiva.he important anatomical structures of the eye include the cornea, the conjunctiva, the sclera, the iris, the interior chamber angle and the trabecular meshwork, the ciliary body, the lens, the vitreous humor, the retina, and the optic nerve.
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- A healthy eye is a wet eye, thanks to the workings of the lacrimal (tear duct) system around the eyes. The lacrimal gland is found above the outer edge of the eye under the eye brow. The lacrimal duct,which forms tears, is found on the inside corner of your eye and down the side of the nose. For various reasons, this system can malfunction and cause the eye(s) to be continuously wet. Symptoms and Causes of Epiphora. The tear duct is the passage through which the tears drain off the eye.
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Hyphema (Bleeding in Eye) Hyphema (Bleeding in Eye) Overview. Blunt trauma to the eye can cause bleeding in the front (or anterior chamber) of the eye between the cornea and the iris. This bleeding into the anterior chamber of the eye is called a hyphema. The anterior chamber of the eye contains a clear liquid fluid called aqueous humor. The aqueous humor is secreted by the ciliary processes in the posterior chamber of the eye. The aqueous humor passes through the pupil into the anterior chamber.
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Headless men Blemmyes are said to occur in two types: with eyes on the chest or with the eyes on the shoulders. Epiphagi, a variant name for the headless people of the Brisone, is sometimes used as a term referring strictly to the eyes-on-the-shoulders type.
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Episcleritis Episcleritis refers to inflammation of your episclera, which is a clear layer on top of the white part of your eye, called the sclera. There’s another clear layer outside of the episclera called the conjunctiva. This inflammation causes your eye to look red and irritated. Episcleritis often looks like pink eye, but
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Watery Eyes â Causes and Treatment for Itchy, Watery Eyes Epiphora has many causes, and there are many ways to alleviate the symptoms. Epiphora happens one of two ways: either the tear drainage duct is not functioning properly or the eye is producing more tears than necessary. The production and drainage of tears is a function of the lacrimal drainage system.
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What is the Pupil of the Eye? - Definition & Function The iris is the colored ring in your eye whose color and structure is as individual as you are. From the outside of the eye, light passes through the clear lens, then through the hole that is the pupil. When the light reaches the tissues at the back of the eye, the light is absorbed, making the pupil look black.
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eyespot Definition of eyespot. 1 : a usually small spot of color (as on the wing of a butterfly) that resembles an eye. 2a : a simple visual organ of pigment or pigmented cells covering a sensory termination : ocellusb : a small pigmented body of various unicellular algae.
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Epiphora Epiphora is the term commonly used to describe a watery eye. It is one of the most common ophthalmic symptoms. More specifically, lacrimation describes persistent welling of tears in the eye and epiphora occurs when these spill over. It is caused by overproduction of tears or by inadequate or blocked drainage.
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Episcleritis Episcleritis vs Scleritis. When a person has scleritis they have an inflammation of the white portion of your eye called the sclera while episcleritis is an inflammation of the layer of tissue between the white of the eye, called the sclera and the covering of your eye called the conjunctiva.
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eye Medical Definition of eye. 1  1: an organ of sight; especially : a nearly spherical hollow organ that is lined with a sensitive retina, is lodged in a bony orbit in the skull, is the vertebrate organ of sight, and is normally paired. 2  2: all the visible structures within and surrounding the orbit and including eyelids, eyelashes, and eyebrows.
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Stratified columnar epithelium Stratified columnar epithelium is a rare type of epithelial tissue composed of column shaped cells arranged in multiple layers.Stratified columnar epithelia are found in the ocular conjunctiva of the eye, in parts of the pharynx and anus, the female's uterus, the male urethra and vas deferens.Also found in Lobar ducts in salivary glands. The cells function in secretion and protection.tratified columnar epithelia are found in the ocular conjunctiva of the eye, in parts of the pharynx and anus, the female's uterus, the male urethra and vas deferens. Also found in Lobar ducts in salivary glands. The cells function in secretion and protection.
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Medical Terminology Eye Medical Terminology Eye. STUDY. PLAY. sclera. outer protective layer of the eye; the portion seen on the anterior portion of the eyeball is referred to as the white of the eye. cornea. transparent anterior part of the sclera, which is anterior to the aqueous humor and lies over the iris. It allows rays to enter the eye.
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Episcleritis Episcleritis is a relatively common, benign, self-limited cause of red eye, due to inflammation of the episcleral tissues. There are two forms of this condition: nodular and simple. Nodular episcleritis is characterized by a discrete, elevated area of inflamed episcleral tissue. In simple episcleritis, vascular congestion is present in the absence of an obvious nodule. The episclera is a fibroelastic structure consisting of two layers loosely joined together.
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- Medical Definition of eye. 1: an organ of sight; especially : a nearly spherical hollow organ that is lined with a sensitive retina, is lodged in a bony orbit in the skull, is the vertebrate organ of sight, and is normally paired.
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Iris (anatomy) The iris (plural: irides or irises) is a thin, circular structure in the eye, responsible for controlling the diameter and size of the pupil and thus the amount of light reaching the retina. Eye color is defined by that of the iris.
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Anophthalmia Anophthalmia, (Greek: ανόφθαλμος, without eye), is the medical term for the absence of one or both eyes. Both the globe (human eye) and the ocular tissue are missing from the orbit. The absence of the eye will cause a small bony orbit, a constricted mucosal socket, short eyelids, reduced palpebral fissure and malar prominence.
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Causes and treatments for watering eyes Watering Eyes (Epiphora): Causes, Symptoms, Treatments. Watering eye, also known as epiphora or tearing, is a condition in which there is an overflow of tears onto the face, often without a clear explanation. There is insufficient tear film drainage from the eye(s) - instead of all the tears draining through the nasolacrimal system, they overflow onto the face.
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Causes and treatments for watering eyes Watering eye, also known as epiphora or tearing, is a condition in which there is an overflow of tears onto the face, often without a clear explanation. There is insufficient tear film drainage from the eye(s) - instead of all the tears draining through the nasolacrimal system, they overflow onto the face.tagnant tears in the tear sac increase the risk of infection in that area and the eye will produce a sticky liquid, further exacerbating the problem. Infection can also lead to inflammation on the side of the nose, next to the eye.
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- After five minutes, the cotton bud is removed and the presence of fluorescein (positive) on the bud indicates a patent lacrimal drainage system and the epiphora may be the result of lacrimal hypersecretion, caused by conditions such as ocular allergy, dry eye, blepharitis, trichiasis, distichiasis, entropion, ectropion, foreign bodies, concretions, corneal disease or anterior uveitis.
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Episcleritis Episcleritis is inflammation of the episclera, which is the thin vascular outer coating of the eye wall, the sclera. Episclera lies underneath the more superficial layers of conjunctiva and other connective tissues.
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- (This definition can also be given for the iris.). The pupil is the hole that lets light enter the inner eye. Pupil of an eye controls the amount of light entering the eye. The pupil is circular opening located in the center of the iris (the colored part of the eye).
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Enlarged Pupils The parts of the eye with which people are most familiar are the retina, lenses, iris and pupils. Because of their important to our lives, the eyes are equipped with their own protection and defense mechanisms through tear ducts, aqueous fluids, eyelids and eyelashes.