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  2. Compound prism - Wikipedia

    en.wikipedia.org/wiki/Compound_prism

    The double-Amici prism is a symmetric form of the more general triplet prism, in which the apex angles and glasses of the two outer elements may differ (see the figure at right). Although triplet prisms are rarely found in optical systems, their added degrees of freedom beyond the double-Amici design allow for improved dispersion linearity.

  3. Lens - Wikipedia

    en.wikipedia.org/wiki/Lens

    A burning apparatus consisting of two biconvex lens. A lens is a transmissive optical device that focuses or disperses a light beam by means of refraction.A simple lens consists of a single piece of transparent material, while a compound lens consists of several simple lenses (elements), usually arranged along a common axis.

  4. Aberrations of the eye - Wikipedia

    en.wikipedia.org/wiki/Aberrations_of_the_eye

    The small improvement in depth of focus with the conventional IOLs enhances uncorrected near vision and contribute to reading ability. [15] Wavefront customized lenses can be used in eyeglasses. Based on Wavefront map of the eye and with the use of laser a lens is shaped to compensate for the aberrations of the eye and then put in the eyeglasses.

  5. Bagolini Striated Glasses Test - Wikipedia

    en.wikipedia.org/wiki/Bagolini_Striated_Glasses_Test

    Diplopia – Double vision; Eye examination – Series of tests assessing vision and pertaining to the eyes; Maddox rod; Prism cover test; Retinal correspondence – Relationship between paired retinal visual cells in the eyes; Strabismus – Eyes not aligning when looking at something; Worth's four light test – Clinical test for binocular vision

  6. Vision therapy - Wikipedia

    en.wikipedia.org/wiki/Vision_therapy

    Vision therapy (VT), or behavioral optometry, is an umbrella term for alternative medicine treatments using eye exercises, based around the pseudoscientific claim that vision problems are the true underlying cause of learning difficulties, particularly in children. [1]

  7. Cyclotropia - Wikipedia

    en.wikipedia.org/wiki/Cyclotropia

    Cyclotropia is a form of strabismus in which, compared to the correct positioning of the eyes, there is a torsion of one eye (or both) about the eye's visual axis. . Consequently, the visual fields of the two eyes appear tilted relative t

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