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  2. Xerophthalmia - Wikipedia

    en.wikipedia.org/wiki/Xerophthalmia

    Xerophthalmia (from Ancient Greek xērós (ξηρός) meaning "dry" and ophthalmos (οφθαλμός) meaning "eye") is a medical condition in which the eye fails to produce tears. It may be caused by vitamin A deficiency, [ 1 ] which is sometimes used to describe that condition, although there may be other causes.

  3. Dry eye syndrome - Wikipedia

    en.wikipedia.org/wiki/Dry_eye_syndrome

    Dry eye syndrome, also known as keratoconjunctivitis sicca, is the condition of having dry eyes. [2] Symptoms include dryness in the eye, irritation, redness, discharge, blurred vision, and easily fatigued eyes. Symptoms range from mild and occasional to severe and continuous. [3]

  4. List of optometric abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_optometric...

    oculus uterque (both eyes) PD Pupillary distance PERRLA Pupils equal, round, reactive to light and accommodation PH Pinhole see Pinhole occluder and Visual_acuity#Legal_definitions: PHNI Pinhole No Improvement see Pinhole occluder and Visual_acuity#Legal_definitions: PHVA Pinhole Visual Acuity: PL Perception of light POH / PrOH Previous ocular ...

  5. Xeroradiography - Wikipedia

    en.wikipedia.org/wiki/Xeroradiography

    Xeroradiography is a type of X-ray imaging in which a picture of the body is recorded on paper rather than on film.In this technique, a plate of selenium, which rests on a thin layer of aluminium oxide, is charged uniformly by passing it in front of a scorotron. [1]

  6. Comparison of YouTube downloaders - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_YouTube_down...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  7. Artificial tears - Wikipedia

    en.wikipedia.org/wiki/Artificial_tears

    Artificial tears are lubricating eye drops used to relieve dryness and irritation of the ocular surface. [1] Dry eye syndrome (keratoconjunctivitis sicca) is a common ocular surface disorder and is characterized by disruption of the tear film and increased inflammation.

  8. Conjunctivochalasis - Wikipedia

    en.wikipedia.org/wiki/Conjunctivochalasis

    Conjunctivochalasis, also known as mechanical dry eye (MDE), is a common eye surface condition characterized by the presence of excess folds of the conjunctiva located between the globe of the eye and the eyelid margin.

  9. Dry eyes - Wikipedia

    en.wikipedia.org/?title=Dry_eyes&redirect=no

    This page was last edited on 29 July 2016, at 11:31 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may ...