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Cyclotropia cannot be corrected with prism spectacles in the way other eye position disorders are corrected. [12] (Nonetheless two Dove prisms can be employed to rotate the visual field in experimental settings.) For cyclodeviations above 5 degrees, surgery has normally been recommended. [13]
Visual acuity with eye chart at Near 15.7 inches (400 mm) and without (sc: Latin sine correctore) correctors (spectacles); Ncc is with (cc: Latin cum correctore) correctors. See Visual_acuity#Legal_definitions: VA OS Left visual acuity VA OD Right visual acuity VDU Visual display unit VF Visual field VPS Variable prism stereoscope WD
The idiomatic biblical phrase "an eye for an eye" in Exodus and Leviticus (Hebrew: עין תחת עין, romanized: ayin tachat ayin) literally means 'an eye under/(in place of) an eye' while a slightly different phrase (עַיִן בְּעַיִן שֵׁן בְּשֵׁן, literally 'eye for an eye; tooth for a tooth') is used in another ...
DVD can be revealed on ocular movement testing when one eye is occluded by the nose on lateral gaze. This eye will then elevate, simulating an inferior oblique over action. However, in a unilateral case, overaction of the superior rectus muscle in the unaffected dominant eye, can also be a causing factor as well as causing a V pattern exophoria.
In the absence of treatment, H. pylori infection usually persists for life. [181] Infection may disappear in the elderly as the stomach's mucosa becomes increasingly atrophic and inhospitable to colonization. Some studies in young children up to two years of age have shown that infection can be transient in this age group. [182] [183]
Dacryocystitis is an infection of the lacrimal sac, secondary to obstruction of the nasolacrimal duct at the junction of the lacrimal sac. [1] The term derives from Greek dákryon 'tear' cysta 'sac' and -itis 'inflammation'. [2] It causes pain, redness, and swelling over the inner aspect of the lower eyelid and epiphora.
It is a paraneoplastic type of autoimmune retinopathy. [2] It may be seen in association with various cancers including non-small cell lung cancer, breast cancer, gynacological cancers, tumors of the hematopoietic and lymphoid tissues, basal cell carcinoma, colon cancer, kidney cancer, prostate cancer and pancreatic cancer.
In geometry, a triangular prism or trigonal prism [1] is a prism with 2 triangular bases. If the edges pair with each triangle's vertex and if they are perpendicular to the base, it is a right triangular prism. A right triangular prism may be both semiregular and uniform. The triangular prism can be used in constructing another polyhedron.