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  2. Prism correction - Wikipedia

    en.wikipedia.org/wiki/Prism_correction

    Prism correction is measured in prism dioptres. A prescription that specifies prism correction will also specify the "base". The base is the thickest part of the lens and is opposite from the apex. Light will be bent towards the base and the image will be shifted towards the apex.

  3. Esophoria - Wikipedia

    en.wikipedia.org/wiki/Esophoria

    Esophoria is an eye condition involving inward deviation of the eye, usually due to extra-ocular muscle imbalance. It is a type of heterophoria. Cause. Causes include: Refractive errors; Divergence insufficiency; Convergence excess; this can be due to nerve, muscle, congenital or mechanical anomalies.

  4. Sixth nerve palsy - Wikipedia

    en.wikipedia.org/wiki/Sixth_nerve_palsy

    If the residual esotropia is small, or if the patient is unfit or unwilling to have surgery, prisms can be incorporated into their glasses to provide more permanent symptom relief. When the deviation is too large for prismatic correction to be effective, permanent occlusion may be the only option for those unfit or unwilling to have surgery.

  5. Convergence insufficiency - Wikipedia

    en.wikipedia.org/wiki/Convergence_insufficiency

    The standard definition of convergence insufficiency is exophoria greater at near than at distance, a receded near point of convergence, and reduced convergence amplitudes at near. [4] See also [ edit ]

  6. Anatomical terms of location - Wikipedia

    en.wikipedia.org/wiki/Anatomical_terms_of_location

    Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position provides a definition of what is at the front ("anterior"), behind ("posterior") and so on.

  7. Eye movement - Wikipedia

    en.wikipedia.org/wiki/Eye_movement

    Eye movement includes the voluntary or involuntary movement of the eyes. Eye movements are used by a number of organisms (e.g. primates, rodents, flies, birds, fish, cats, crabs, octopus) to fixate, inspect and track visual objects of interests. A special type of eye movement, rapid eye movement, occurs during REM sleep .

  8. Andreas Vesalius - Wikipedia

    en.wikipedia.org/wiki/Andreas_Vesalius

    In February 1561, Vesalius was given a copy of Gabriele Fallopio's Observationes anatomicae, friendly additions and corrections to the Fabrica. Before the end of the year Vesalius composed a cordial reply, Anatomicarum Gabrielis Fallopii observationum examen, generally referred to as the Examen.

  9. Ukraine's Zelenskiy to visit Belgium on Tuesday, sign ... - AOL

    www.aol.com/news/ukraines-zelenskiy-visit...

    Ukrainian President Volodymyr Zelenskiy will visit Belgium on Tuesday and sign a security pact with Prime Minister Alexander De Croo, the Belgian government said. The Ukrainian leader is seeking ...

  10. Transduction (physiology) - Wikipedia

    en.wikipedia.org/wiki/Transduction_(physiology)

    In physiology, transduction is the translation of arriving stimulus into an action potential by a sensory receptor. It begins when stimulus changes the membrane potential of a receptor cell.

  11. Farsightedness - Wikipedia

    en.wikipedia.org/wiki/Farsightedness

    Ancillary tests for abnormal structures and physiology can be made via a slit lamp test, which examines the cornea, conjunctiva, anterior chamber, and iris. In severe cases of hyperopia from birth, the brain has difficulty in merging the images that each individual eye sees.

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