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The sclera, [note 1] also known as the white of the eye or, in older literature, as the tunica albuginea oculi, is the opaque, fibrous, protective outer layer of the eye containing mainly collagen and some crucial elastic fiber. [2] In the development of the embryo, the sclera is derived from the neural crest. [3]
Symptoms of scleritis include: [3] Redness of the sclera and conjunctiva, sometimes changing to a purple hue; Severe ocular pain, which may radiate to the temple or jaw. The pain is often described as deep or boring. Photophobia and tearing; Decrease in visual acuity, possibly leading to blindness; The pain of episcleritis is less severe than ...
Uveitis (/ ˌ juː v i. aɪ t ɪ s /) is inflammation of the uvea, the pigmented layer of the eye between the inner retina and the outer fibrous layer composed of the sclera and cornea. [1] The uvea consists of the middle layer of pigmented vascular structures of the eye and includes the iris , ciliary body , and choroid .
Red, itchy, or watery eyes are common symptoms of seasonal allergies, but they're also signs of pink eye, or conjunctivitis. Here’s how to tell the difference. Red, itchy, or watery eyes are ...
Conjunctivitis, also known as pink eye or Madras eye, [4] [5] is inflammation of the conjunctiva and the inner surface of the eyelid. [6] It makes the eye appear pink or reddish. [1] Pain, burning, scratchiness, or itchiness may occur. [1] The affected eye may have increased tears or be "stuck shut" in the morning. [1] Swelling of the sclera ...
Generally, diseases outlined within the ICD-10 codes H15-H19 within Chapter VII: Diseases of the eye, adnexa should be included in this category. Wikimedia Commons has media related to Disorders of sclera and cornea .
Episcleritis of a 40 year old female. Symptoms of episcleritis typically include painless redness of the eye (mild pain is possible but atypical), and watery eyes. [2] The pain of episcleritis is typically mild, less severe than in scleritis, [3] and may be tender to palpation.
Collie eye anomaly (CEA) is a congenital, inherited, bilateral eye disease of dogs, which affects the retina, choroid, and sclera. It can be a mild disease or cause blindness. It can be a mild disease or cause blindness.