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  2. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    Prentice's rule is a formula to calculate the amount of prism correction in a lens based on decentration and lens power. It can be used for prescribing, tolerance control, or determining unprescribed prism in eyeglasses.

  3. Corrective lens - Wikipedia

    en.wikipedia.org/wiki/Corrective_lens

    Learn about the different types of corrective lenses, such as glasses, contact lenses, and intraocular lenses, and how they are prescribed by eye care professionals. Find out how they improve visual perception and treat refractive errors, and the advantages and disadvantages of over-the-counter and self-selected lenses.

  4. List of optometric abbreviations - Wikipedia

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

    This web page provides a comprehensive list of abbreviations used by optometrists to denote various clinical conditions, examination techniques and findings, and treatment methods. The term "ou eye" is not included in the list, but it may refer to the oculus uterque (both eyes) abbreviation.

  5. Prism (optics) - Wikipedia

    en.wikipedia.org/wiki/Prism_(optics)

    Learn about the different types of optical prisms, such as dispersive, reflective, beam-splitting and polarizing prisms, and how they refract, reflect or split light. Find out how prisms are made of transparent materials like glass, acrylic or fluorite, and how they can create spectra, images or polarizations.

  6. Astigmatism - Wikipedia

    en.wikipedia.org/wiki/Astigmatism

    Astigmatism is a refractive error that causes blurred or distorted vision due to an irregular curvature of the eye. Learn about the types, causes, diagnosis and ...

  7. Homonymous hemianopsia - Wikipedia

    en.wikipedia.org/wiki/Homonymous_hemianopsia

    Homonymous hemianopsia is a visual field loss on the same side of both eyes, caused by brain injury or damage. Learn about the signs, symptoms, causes, diagnosis, and management of this condition, and see examples of how it affects vision.

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