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  2. Posterior segment of eyeball - Wikipedia

    en.wikipedia.org/wiki/Posterior_segment_of_eyeball

    Some ophthalmologists specialize in the treatment and management of posterior segment disorders and diseases. [ 3 ] In some animals, the retina contains a reflective layer (the tapetum lucidum ) which increases the amount of light each photosensitive cell perceives, reflecting the light out of the eye, allowing the animal to see better under ...

  3. Eye chart - Wikipedia

    en.wikipedia.org/wiki/Eye_chart

    An example of the Landolt C eye chart (also known as the Japanese eye chart.). Numerous types of eye charts exist and are used in various situations. For example, the Snellen chart is designed for use at 6 meters or 20 feet, and is thus appropriate for testing distance vision, while the ETDRS chart is designed for use at 4 meters. [16]

  4. Posterior chamber of eyeball - Wikipedia

    en.wikipedia.org/wiki/Posterior_chamber_of_eyeball

    The posterior chamber consists of small space directly posterior to the iris but anterior to the lens. The posterior chamber is part of the anterior segment [1] and should not be confused with the vitreous chamber (in the posterior segment). Posterior chamber is an important structure involved in production and circulation of aqueous humor ...

  5. Eye examination - Wikipedia

    en.wikipedia.org/wiki/Eye_examination

    An eye examination, commonly known as an eye test, [1] is a series of tests performed to assess vision and ability to focus on and discern objects. [2] It also includes other tests and examinations of the eyes. [3] Eye examinations are primarily performed by an optometrist, ophthalmologist, or an orthoptist.

  6. Visual system - Wikipedia

    en.wikipedia.org/wiki/Visual_system

    The visual system performs a number of complex tasks based on the image forming functionality of the eye, including the formation of monocular images, the neural mechanisms underlying stereopsis and assessment of distances to (depth perception) and between objects, motion perception, pattern recognition, accurate motor coordination under visual ...

  7. Posterior horn - Wikipedia

    en.wikipedia.org/wiki/Posterior_horn

    Posterior horn of lateral ventricle in the brain, which passes forward, laterally and slightly downward, from the corpus callosum into the occipital lobe Posterior horn of spinal cord , the dorsal (towards the back) grey matter section of the spinal cord that receives several types of sensory information from the body including light touch ...

  8. Corneal limbus - Wikipedia

    en.wikipedia.org/wiki/Corneal_limbus

    The corneal limbus may be cut to allow for aqueous humour to drain from the anterior chamber of the eye into the subconjunctival space. [5] This can be used in glaucoma treatment. [ 5 ] The hole created only needs to be small, although slightly bigger than needed to account for gradual healing. [ 5 ]

  9. Pars plana - Wikipedia

    en.wikipedia.org/wiki/Pars_plana

    The pars plana (also known as orbicularis ciliaris [1]) (Latin: flat portion) is part of the ciliary body in the uvea (or vascular tunic, the middle layer of the three layers that comprise the eye). It is about 4 mm long, located near the junction of the iris and sclera , and is scalloped in appearance.

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  1. Related searches posterior horn function in eye exam chart images printable black and white

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