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  2. Eye chart - Wikipedia

    en.wikipedia.org/wiki/Eye_chart

    Lea test. logMAR chart. An eye chart is a chart used to measure visual acuity comprising lines of optotypes in ranges of sizes. Optotypes are the letters or symbols shown on an eye chart. [1] Eye charts are often used by health care professionals, such as optometrists, physicians and nurses, to screen persons for vision impairment.

  3. List of instruments used in ophthalmology - Wikipedia

    en.wikipedia.org/wiki/List_of_instruments_used...

    to correct refractive errors of the eye; a little invasive. Phoropter. used in refraction testing. Tonometers. used to determine the intraoccular pressure (IOP) - useful in glaucoma; video link for various types of tonometers. Speculum: to keep the eyes open during any operation. Universal eye speculum.

  4. Bates method - Wikipedia

    en.wikipedia.org/wiki/Bates_method

    The Bates method is an ineffective and potentially dangerous alternative therapy aimed at improving eyesight.Eye-care physician William Horatio Bates (1860–1931) held the erroneous belief that the extraocular muscles effected changes in focus and that "mental strain" caused abnormal action of these muscles; hence he believed that relieving such "strain" would cure defective vision.

  5. Ophthalmology - Wikipedia

    en.wikipedia.org/wiki/Ophthalmology

    Ophthalmology ( / ˌɒfθælˈmɒlədʒi /, OFF-thal-MOL-ə-jee) [1] is a clinical and surgical specialty within medicine that deals with the diagnosis and treatment of eye disorders. [2] A former term is oculism . An ophthalmologist is a physician who undergoes subspecialty training in medical and surgical eye care. [3]

  6. Snellen chart - Wikipedia

    en.wikipedia.org/wiki/Snellen_chart

    Snellen chart is used to estimate visual acuity (last three rows are 20/15, 20/13 and 20/10) A Snellen chart is an eye chart that can be used to measure visual acuity. Snellen charts are named after the Dutch ophthalmologist Herman Snellen who developed the chart in 1862 as a measurement tool for the acuity formula developed by his professor ...

  7. Charles Horace Mayo - Wikipedia

    en.wikipedia.org/wiki/Charles_Horace_Mayo

    Scientific career. Fields. Medicine, surgery. Charles Horace Mayo (July 19, 1865 – May 26, 1939) was an American medical practitioner and was one of the founders of the Mayo Clinic along with his brother William James Mayo, Augustus Stinchfield, Christopher Graham, Edward Star Judd Jr., Henry Stanley Plummer, Melvin Millet, and Donald Balfour .

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