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  2. List of soft contact lens materials - Wikipedia

    en.wikipedia.org/wiki/List_of_soft_contact_lens...

    In the US market, soft contact lenses are approved by the US Food and Drug Administration. [2] The American Optometric Association published a contact lens comparison chart called Advantages and Disadvantages of Various Types of Contact Lenses on the differences between them. [3] These include: soft contact lenses; rigid gas-permeable (RGP ...

  3. Anisometropia - Wikipedia

    en.wikipedia.org/wiki/Anisometropia

    Consider a pair of spectacles to correct for myopia with a prescription of −1.00 m −1 in one eye and −4.00 m −1 in the other. Suppose that for both eyes the other parameters are identical, namely t = 1 mm = 0.001 m, n = 1.6, P = 5 m −1 , and h = 15 mm = 0.015 m.

  4. 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.

  5. Saline (medicine) - Wikipedia

    en.wikipedia.org/wiki/Saline_(medicine)

    Saline solution for irrigation. Normal saline (NSS, NS or N/S) is the commonly used phrase for a solution of 0.90% w/v of NaCl, 308 mOsm/L or 9.0 g per liter. Less commonly, this solution is referred to as physiological saline or isotonic saline (because it is approximately isotonic to blood serum, which makes it a physiologically normal solution).

  6. 1,3-Propane sultone - Wikipedia

    en.wikipedia.org/wiki/1,3-Propane_sultone

    This page was last edited on 23 February 2024, at 15:17 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  7. Laser safety - Wikipedia

    en.wikipedia.org/wiki/Laser_safety

    Class numbers were designated using Roman numerals (I–IV) in the US under the old system and Arabic numerals (1–4) in the EU. The revised system uses Arabic numerals (1–4) in all jurisdictions. The classification of a laser is based on the concept of accessible emission limits (AEL) that are defined for each laser class. This is usually a ...

  8. Neurological pupil index - Wikipedia

    en.wikipedia.org/wiki/Neurological_Pupil_Index

    The Neurological Pupil index, or NPi, is an algorithm developed by NeurOptics, Inc., that removes subjectivity from the pupillary evaluation. A patient's pupil measurement (including variables such as size, latency, constriction velocity, dilation velocity, etc.) is obtained using a pupillometer, and the measurement is compared against a normative model of pupil reaction to light and ...

  9. Vestibulo–ocular reflex - Wikipedia

    en.wikipedia.org/wiki/Vestibulo–ocular_reflex

    The same neural integrators also generate eye position for other conjugate eye movements such as saccades and smooth pursuit. The integrator is leaky, with a characteristic leaking time of 20 s. For example, when the subject is sitting still and focusing on an object, and suddenly the light is turned off, the eyes would return to their neutral ...

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