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  2. List of optometric abbreviations - Wikipedia

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

    OD oculus dexter (right eye) OH Ocular history OMB Oculo motor balance ONH Optic nerve head Oph Ophthalmoscopy OS oculus sinister (left eye) OU 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

  3. Eyeglass prescription - Wikipedia

    en.wikipedia.org/wiki/Eyeglass_prescription

    Eyeglass prescription. Using a phoropter to determine a prescription for eyeglasses. An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.

  4. The main discussion of these abbreviations in the context of drug prescriptions and other medical prescriptions is at List of abbreviations used in medical prescriptions. Some of these abbreviations are best not used, as marked and explained here.

  5. List of abbreviations used in medical prescriptions - Wikipedia

    en.wikipedia.org/wiki/List_of_abbreviations_used...

    oculus dexter: right eye o can be mistaken as an a which could read "a.d.", meaning right ear, confusion with "omni die" o.m. omni mane: every morning omn. bih. omni bihora: every 2 hours omn. hor. omni hora: every hour o.n. omni nocte: every night OPD once per day o.s. oculus sinister: left eye o can be mistaken as an a which could read "a.s ...

  6. Epiretinal membrane - Wikipedia

    en.wikipedia.org/wiki/Epiretinal_membrane

    Epiretinal membrane or macular pucker is a disease of the eye in response to changes in the vitreous humor or more rarely, diabetes. Sometimes, as a result of immune system response to protect the retina, cells converge in the macular area as the vitreous ages and pulls away in posterior vitreous detachment (PVD).

  7. Snellen chart - Wikipedia

    en.wikipedia.org/wiki/Snellen_chart

    In the most familiar acuity test, a Snellen chart is placed at a standard distance: 6 metres. At this distance, the symbols on the line representing "normal" acuity subtend an angle of five minutes of arc, and the thickness of the lines and of the spaces between the lines subtends one minute of arc. This line, designated 6/6 (or 20/20), is the ...

  8. Relative afferent pupillary defect - Wikipedia

    en.wikipedia.org/wiki/Relative_afferent_pupillar...

    Ophthalmology, Optometry. A relative afferent pupillary defect ( RAPD ), also known as a Marcus Gunn pupil, is a medical sign observed during the swinging-flashlight test [ 1] whereupon the patient's pupils dilate when a bright light is swung from the unaffected eye to the affected eye. The affected eye still senses the light and produces ...

  9. List of medical abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_medical_abbreviations

    Glossary of Medical Terms - Tufts University. Medical Abbreviations EN English Medical Abbreviations for Android. JD.MD, Inc. online Medical & Dental Abbreviations Glossary. Acronyms for Medical & Dental professional organizations. Medical Abbreviations for iPhone. Medical abbreviations on mediLexicon.