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2. List of optometric abbreviations - Wikipedia

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

   One drop gtt drops GSL General sales list Gutt/g Guttae (drops) Meds Medications Nocte/QHS At night Occ Ointment od/QD Once a day otc Over the counter (bought medication) P Pharmacy (drug) POM Prescription-only medicine prn When required q Every (e.g. q2h – every two hours) qds/qid Four times a day Rx Prescription tds/tid Three times a day ung

3. Prism correction - Wikipedia

   en.wikipedia.org/wiki/Prism_correction

   Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]

4. Fixation disparity - Wikipedia

   en.wikipedia.org/wiki/Fixation_disparity

   A fixation disparity is not constant within a certain observer, but can vary depending on the viewing conditions. If test prisms with increasing amount are placed in front of the observer’s eyes, the fixation disparity changes in the eso direction with base-in prisms and in the exo direction with base-out prisms (Fig. 3).

5. How Tears Evaporate and Lead to Dry Eye - AOL

   www.aol.com/tears-evaporate-lead-dry-eye...

   Evaporative dry eye symptoms include: Awakening with a dry eye feeling. Eye irritation. Feeling like your eyelids are stuck to your eyeballs. Red eyes. The less common form of dry eye is aqueous ...

6. The 10 Best Eye Drops for Dry Eyes for Instant Relief From ...

   www.aol.com/lifestyle/10-best-eye-drops-dry...

   The best eye drops for dry eyes in 2023 work to soothe various dry eye symptoms. Here, find expert-approved picks from Refresh, Systane, Opti-Free, and more.

7. Schirmer's test - Wikipedia

   en.wikipedia.org/wiki/Schirmer's_test

   Schirmer's test uses paper strips inserted into the eye for several minutes to measure the production of tears. Both eyes are tested at the same time. Most often, this test consists of placing a small strip of filter paper inside the lower eyelid (inferior fornix). The eyes are closed for 5 minutes. The paper is then removed and the amount of ...