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  2. Retinal haemorrhage - Wikipedia

    en.wikipedia.org/wiki/Retinal_haemorrhage

    Retinal haemorrhage. Retinal hemorrhage (UK English: retinal haemorrhage) is a disorder of the eye in which bleeding occurs in the retina, the light sensitive tissue, located on the back wall of the eye. [1] There are photoreceptor cells in the retina called rods and cones, which transduce light energy into nerve signals that can be processed ...

  3. Oscillopsia - Wikipedia

    en.wikipedia.org/wiki/Oscillopsia

    Oscillopsia is a visual disturbance in which objects in the visual field appear to oscillate. The severity of the effect may range from a mild blurring to rapid and periodic jumping. [1] Oscillopsia is an incapacitating condition experienced by many patients with neurological disorders. [2] It may be the result of ocular instability occurring ...

  4. Optic nerve - Wikipedia

    en.wikipedia.org/wiki/Optic_nerve

    e. In neuroanatomy, the optic nerve, also known as the second cranial nerve, cranial nerve II, or simply CN II, is a paired cranial nerve that transmits visual information from the retina to the brain. In humans, the optic nerve is derived from optic stalks during the seventh week of development and is composed of retinal ganglion cell axons ...

  5. Signs and symptoms of Graves' disease - Wikipedia

    en.wikipedia.org/wiki/Signs_and_symptoms_of...

    In the absence of Graves' ophthalmopathy, patients may demonstrate other ophthalmic symptoms and signs due to hyperthyroidism: Dry eyes (due to loss of corneal moisture). [24] A sense of irritation, discomfort, or pain in the eyes. A tingling sensation behind the eyes or the feeling of grit or sand in the eyes.

  6. Photopsia - Wikipedia

    en.wikipedia.org/wiki/Photopsia

    Photopsia. This is an approximation of the zig-zag visual of a scintillating scotoma as a migraine aura. It moves and vibrates, expanding and slowly fading away over the course of about 20 minutes. Migraine with aura, which includes photopsia 39% of the time, typically lasts 10 to 20 minutes and often is followed by a headache.

  7. Conjunctivitis - Wikipedia

    en.wikipedia.org/wiki/Conjunctivitis

    Conjunctivitis, also known as pink eye, [4] is inflammation of the outermost layer of the white part of the eye and the inner surface of the eyelid. [5] 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]

  8. Eye disease - Wikipedia

    en.wikipedia.org/wiki/Eye_disease

    H15-H22 Disorders of sclera, cornea, iris and ciliary body. (H15.0) Scleritis — a painful inflammation of the sclera. (H16) Keratitis — inflammation of the cornea. (H16.0) Corneal ulcer / Corneal abrasion — loss of the surface epithelial layer of the eye's cornea. (H16.1) Snow blindness / Arc eye — a painful condition caused by exposure ...

  9. Intraocular hemorrhage - Wikipedia

    en.wikipedia.org/wiki/Intraocular_hemorrhage

    A subconjunctival hemorrhage can often occur without any obvious cause or harm to the eye. A strong enough sneeze or cough can cause a blood vessel in the eye to burst. Hyphema is a result of blunt or penetrating trauma to the orbit that increases intraocular pressure, causing tears in the vessels of the ciliary body and iris.

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