Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Visual_acuity> ?p ?o }
- Visual_acuity abstract "Visual Acuity (VA) commonly refers to the clarity of vision. Visual Acuity is dependent on optical and neural factors, i.e., (i) the sharpness of the retinal focus within the eye, (ii) the health and functioning of the retina, and (iii) the sensitivity of the interpretative faculty of the brain.A common cause of low visual acuity is refractive error (ametropia), or errors in how the light is refracted in the eyeball. Causes of refractive errors include aberrations in the shape of the eyeball, the shape of the cornea, and reduced flexibility of the lens. In the case of pseudomyopia, the aberrations are caused by muscle spasms. Too high or too low refractive error (in relation to the length of the eyeball) is the cause of nearsightedness (myopia) or farsightedness (hyperopia) (normal refractive status is referred to as emmetropia). Other optical causes are astigmatism or more complex corneal irregularities. These anomalies can mostly be corrected by optical means (such as eyeglasses, contact lenses, laser surgery, etc.).Neural factors that limit acuity are located in the retina or the brain (or the pathway leading there). Examples for the first are a detached retina and macular degeneration, to name just two. A common impairment amblyopia caused by incorrect nerve pathway function connecting eye with brain is involved. In some cases, low visual acuity is caused by brain damage, such as from traumatic brain injury or stroke. When optical factors are corrected for, acuity can be considered a measure of neural well-functioning.Visual acuity is typically measured while fixating, i.e. as a measure of central (or foveal) vision, for the reason that it is highest there. However, acuity in peripheral vision can be of equal (or sometimes higher) importance in everyday life. Acuity declines towards the periphery in an inverse-linear (i.e. hyperbolic) fashion.".
- Visual_acuity thumbnail Snellen_chart.svg?width=300.
- Visual_acuity wikiPageExternalLink how-visual-acuity-is-measured.
- Visual_acuity wikiPageExternalLink index.html.
- Visual_acuity wikiPageExternalLink vision.vega9.com.
- Visual_acuity wikiPageExternalLink KallSpatial.html.
- Visual_acuity wikiPageExternalLink sch1b.html?stem=0&synonyms=0&query=visual+acuity.
- Visual_acuity wikiPageExternalLink icovisualacuity1984.pdf.
- Visual_acuity wikiPageExternalLink visualacuity.htm.
- Visual_acuity wikiPageExternalLink strasburger.html.
- Visual_acuity wikiPageID "648954".
- Visual_acuity wikiPageLength "42378".
- Visual_acuity wikiPageOutDegree "173".
- Visual_acuity wikiPageRevisionID "681786898".
- Visual_acuity wikiPageWikiLink Aboriginal_Australians.
- Visual_acuity wikiPageWikiLink Amacrine_cell.
- Visual_acuity wikiPageWikiLink Amblyopia.
- Visual_acuity wikiPageWikiLink Angular_resolution.
- Visual_acuity wikiPageWikiLink Astigmatism.
- Visual_acuity wikiPageWikiLink Australian_Aborigine.
- Visual_acuity wikiPageWikiLink Binocular_vision.
- Visual_acuity wikiPageWikiLink Bird_of_prey.
- Visual_acuity wikiPageWikiLink Blindness.
- Visual_acuity wikiPageWikiLink Brain.
- Visual_acuity wikiPageWikiLink Brain_damage.
- Visual_acuity wikiPageWikiLink Brain_stem.
- Visual_acuity wikiPageWikiLink Brainstem.
- Visual_acuity wikiPageWikiLink Camera_lens.
- Visual_acuity wikiPageWikiLink Cataract.
- Visual_acuity wikiPageWikiLink Category:Medical_signs.
- Visual_acuity wikiPageWikiLink Category:Ophthalmology.
- Visual_acuity wikiPageWikiLink Category:Optometry.
- Visual_acuity wikiPageWikiLink Category:Visual_perception.
- Visual_acuity wikiPageWikiLink Cerebral_cortex.
- Visual_acuity wikiPageWikiLink Color_blindness.
- Visual_acuity wikiPageWikiLink Common_logarithm.
- Visual_acuity wikiPageWikiLink Cone_cell.
- Visual_acuity wikiPageWikiLink Contact_lens.
- Visual_acuity wikiPageWikiLink Contact_lenses.
- Visual_acuity wikiPageWikiLink Contrast_(vision).
- Visual_acuity wikiPageWikiLink Cornea.
- Visual_acuity wikiPageWikiLink Corrective_lens.
- Visual_acuity wikiPageWikiLink Corrective_lenses.
- Visual_acuity wikiPageWikiLink Cortical_blindness.
- Visual_acuity wikiPageWikiLink Critical_period.
- Visual_acuity wikiPageWikiLink DIN.
- Visual_acuity wikiPageWikiLink Darmstadt.
- Visual_acuity wikiPageWikiLink Decimal.
- Visual_acuity wikiPageWikiLink Depth_perception.
- Visual_acuity wikiPageWikiLink Detached_retina.
- Visual_acuity wikiPageWikiLink Deutsches_Institut_für_Normung.
- Visual_acuity wikiPageWikiLink Diabetes.
- Visual_acuity wikiPageWikiLink Diabetes_mellitus.
- Visual_acuity wikiPageWikiLink Diffraction.
- Visual_acuity wikiPageWikiLink Diffraction-limited_system.
- Visual_acuity wikiPageWikiLink Diffraction_grating.
- Visual_acuity wikiPageWikiLink Diffraction_limit.
- Visual_acuity wikiPageWikiLink Dioptre.
- Visual_acuity wikiPageWikiLink E_Chart.
- Visual_acuity wikiPageWikiLink E_chart.
- Visual_acuity wikiPageWikiLink Early_Treatment_of_Diabetic_Retinopathy_Study.
- Visual_acuity wikiPageWikiLink Edmund_Landolt.
- Visual_acuity wikiPageWikiLink Eduard_Jäger_von_Jaxtthal.
- Visual_acuity wikiPageWikiLink Emmetropia.
- Visual_acuity wikiPageWikiLink European_Committee_for_Standardization.
- Visual_acuity wikiPageWikiLink Evoked_potential.
- Visual_acuity wikiPageWikiLink Eye.
- Visual_acuity wikiPageWikiLink Eye_chart.
- Visual_acuity wikiPageWikiLink Eye_exam.
- Visual_acuity wikiPageWikiLink Eye_examination.
- Visual_acuity wikiPageWikiLink Eyeball.
- Visual_acuity wikiPageWikiLink Eyeglasses.
- Visual_acuity wikiPageWikiLink File:Snellen_chart.svg.
- Visual_acuity wikiPageWikiLink Flashlight.
- Visual_acuity wikiPageWikiLink Foot_(unit).
- Visual_acuity wikiPageWikiLink Fovea_centralis.
- Visual_acuity wikiPageWikiLink Fraction_(mathematics).
- Visual_acuity wikiPageWikiLink Glasses.
- Visual_acuity wikiPageWikiLink Golovin–Sivtsev_table.
- Visual_acuity wikiPageWikiLink Grating.
- Visual_acuity wikiPageWikiLink Hawk.
- Visual_acuity wikiPageWikiLink Heinrich_Küchler.
- Visual_acuity wikiPageWikiLink Herman_Snellen.
- Visual_acuity wikiPageWikiLink Hermann_Snellen.
- Visual_acuity wikiPageWikiLink Human_eye.
- Visual_acuity wikiPageWikiLink Hyperacuity_(scientific_term).
- Visual_acuity wikiPageWikiLink Hyperbolic_function.
- Visual_acuity wikiPageWikiLink Hyperopia.
- Visual_acuity wikiPageWikiLink Illiterate_or_tumbling_E.
- Visual_acuity wikiPageWikiLink Infant.
- Visual_acuity wikiPageWikiLink Infinity_focus.
- Visual_acuity wikiPageWikiLink Interferometry.
- Visual_acuity wikiPageWikiLink Landolt_C.
- Visual_acuity wikiPageWikiLink Lateral_geniculate_nucleus.
- Visual_acuity wikiPageWikiLink Lebers_congenital_amaurosis.
- Visual_acuity wikiPageWikiLink Lens_(anatomy).
- Visual_acuity wikiPageWikiLink Light.
- Visual_acuity wikiPageWikiLink Lighting.
- Visual_acuity wikiPageWikiLink LogMAR_chart.
- Visual_acuity wikiPageWikiLink Macula.