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2. Four prism dioptre reflex test - Wikipedia

   en.wikipedia.org/wiki/Four_prism_dioptre_reflex_test

   The Four Prism Dioptre Reflex Test (also known as the 4 PRT, or 4 Prism Dioptre Base-out Test) is an objective, non-dissociative test used to prove the alignment of both eyes (i.e. the presence of binocular single vision) by assessing motor fusion. [1] Through the use of a 4 dioptre base out prism, diplopia is induced which is the driving force ...

3. Maddox rod - Wikipedia

   en.wikipedia.org/wiki/Maddox_rod

   The strength of the prism is increased until the streak of the light passes through the centre of the prism, as the strength of the prism indicates the amount of deviation present. The Maddox rod is a handheld instrument composed of red parallel plano convex cylinder lens , which refracts light rays so that a point source of light is seen as a ...

4. Hirschberg test - Wikipedia

   en.wikipedia.org/wiki/Hirschberg_test

   Purpose. whether a person has strabismus. In the fields of optometry and ophthalmology, the Hirschberg test, also Hirschberg corneal reflex test, is a screening test that can be used to assess whether a person has strabismus (ocular misalignment). A photographic version of the Hirschberg test is used to quantify strabismus.

5. Esotropia - Wikipedia

   en.wikipedia.org/wiki/Esotropia

   Esotropia. Esotropia (from Greek eso 'inward' and trope 'a turning' [1]) is a form of strabismus in which one or both eyes turn inward. The condition can be constantly present, or occur intermittently, and can give the affected individual a "cross-eyed" appearance. [2] It is the opposite of exotropia and usually involves more severe axis ...

6. Musk's Neuralink gets FDA's breakthrough device tag for ...

   www.aol.com/news/musks-neuralink-gets-fdas...

   The experimental device, known as Blindsight, "will enable even those who have lost both eyes and their optic nerve to see," Musk said in a post on X. Musk's Neuralink gets FDA's breakthrough ...

7. Prism correction - Wikipedia

   en.wikipedia.org/wiki/Prism_correction

   Yoked prism can move the image away from primary gaze without the need for a constant head tilt or turn. [1] 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.

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   www.aol.com/laser-hair-removal-device-58...

   See below for the best early Prime Big Deal Days laser hair removal device deals. 3-N-1 IPL Device. Another Amazon bestseller, the Amzgirl IPL device provides great results at a more affordable price.

9. Bagolini Striated Glasses Test - Wikipedia

   en.wikipedia.org/wiki/Bagolini_Striated_Glasses_Test

   Bagolini Striated Glasses Test. Purpose. extent of binocular functions. Bagolini striated glasses test, or BSGT, is a subjective clinical test to detect the presence or extent of binocular functions and is generally performed by an optometrist or orthoptist or ophthalmologist (medical/surgical eye doctor). It is mainly used in strabismus clinics.