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2. Compound prism - Wikipedia

   en.wikipedia.org/wiki/Compound_prism

   The simplest compound prism is a doublet, consisting of two elements in contact, as shown in the figure at right. A ray of light passing through the prism is refracted at the first air-glass interface, again at the interface between the two glasses, and a final time at the exiting glass-air interface.

3. Strabismus surgery - Wikipedia

   en.wikipedia.org/wiki/Strabismus_surgery

   The earliest successful strabismus surgery intervention is known to have been performed on 26 October 1839 by Johann Friedrich Dieffenbach on a 7-year-old esotropic child; a few earlier attempts had been performed in 1818 by William Gibson of Baltimore, a general surgeon and professor at the University of Maryland. [2]

4. George M. Stratton - Wikipedia

   en.wikipedia.org/wiki/George_M._Stratton

   Stratton wore these glasses over his right eye and covered the left with a patch during the day, and slept blindfolded at night. Initial movement was clumsy, but adjusting to the new environment took only a few days. [59] Stratton tried variations of the experiment over the next few years. First he wore the glasses for eight days, back at Berkeley.

5. Esotropia - Wikipedia

   en.wikipedia.org/wiki/Esotropia

   Prescribe any glasses required and allow the patient time to 'settle into' them. Use occlusion to treat any amblyopia present and encourage alternation. Where appropriate, orthoptic exercises (sometimes referred to as vision therapy ) can be used to attempt to restore binocularity.

6. Four prism dioptre reflex test - Wikipedia

   en.wikipedia.org/wiki/Four_prism_dioptre_reflex_test

   The prism can be mounted in a frame with a handle attached; Test can be performed at any fixation distance - near or far; Results of the test can be checked/confirmed using Bagolini glasses, W4LT (macular torch) or Synoptophore; Post-strabismus surgery aim at times, can use in post-op review

7. Micropsia - Wikipedia

   en.wikipedia.org/wiki/Micropsia

   Micropsia is a condition affecting human visual perception in which objects are perceived to be smaller than they actually are. Micropsia can be caused by optical factors (such as wearing glasses), by distortion of images in the eye (such as optically, via swelling of the cornea or from changes in the shape of the retina such as from retinal edema, macular degeneration, or central serous ...