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2. Human eye - Wikipedia

   en.wikipedia.org/wiki/Human_eye

   The human eye is an organ of the sensory nervous system that reacts to visible light and allows the use of visual information for various purposes including seeing things, keeping balance, and maintaining circadian rhythm . Arizona Eye Model. "A" is accommodation in diopters. The eye can be considered as a living optical device.

3. Hypertropia - Wikipedia

   en.wikipedia.org/wiki/Hypertropia

   Hypertropia is a condition of misalignment of the eyes ( strabismus ), whereby the visual axis of one eye is higher than the fellow fixating eye. Hypotropia is the similar condition, focus being on the eye with the visual axis lower than the fellow fixating eye. Dissociated vertical deviation is a special type of hypertropia leading to slow ...

4. Uppendahl prism - Wikipedia

   en.wikipedia.org/wiki/Uppendahl_prism

   The second prism is a 90° reflection and shouldn't need a mirroring coating. In order to achieve a complete reversal of the image, a roof edge is ground into the third prism (green). Furthermore, the beam leaves the inversion system without any axial offset, which is why the Uppendahl prism is counted among the straight-vision roof prisms.

5. Eye - Wikipedia

   en.wikipedia.org/wiki/Eye

   Eye. An eye is a sensory organ that allows an organism to perceive visual information. It detects light and converts it into electro-chemical impulses in neurons (neurones). It is part of an organism's visual system . In higher organisms, the eye is a complex optical system that collects light from the surrounding environment, regulates its ...

6. Perger prism - Wikipedia

   en.wikipedia.org/wiki/Perger_prism

   Perger prism. A Perger prism or Perger–Porro prism system is a prism, that is used to invert (rotate by 180°) an image. The special feature of this prism is that, like a traditional double Porro prism system, it manages this with only four beam deflections and has neither a roof edge with the accompanying phase correction problems, a ...

7. Prism fusion range - Wikipedia

   en.wikipedia.org/wiki/Prism_fusion_range

   The prism fusion range ( PFR) or fusional vergence amplitude is a clinical eye test performed by orthoptists, optometrists, and ophthalmologists to assess motor fusion, specifically the extent to which a patient can maintain binocular single vision ( BSV) in the presence of increasing vergence demands. Motor fusion is largely accounted to ...

8. Zellweger spectrum disorders - Wikipedia

   en.wikipedia.org/wiki/Zellweger_spectrum_disorders

   Causes. Zellweger spectrum disorders are a group of autosomal recessive genetic disorders. They are caused due to pathogenic mutations in at least 13 different PEX genes that encode peroxins. [5] It affects the peroxisomes, which are organelles in the body that are meant to breakdown items like acids and toxic compounds.

9. List of mental disorders - Wikipedia

   en.wikipedia.org/wiki/List_of_mental_disorders

   Mood disorders. Trauma and stressor related disorders. Neuro-developmental disorders. Sleep-wake disorders. Neuro-cognitive disorders. Substance-related and addictive disorders. Paraphilias. Somatic symptom related disorders. Sexual dysfunctions.