fbpx

Visual Acuity: What is 20/20 Vision?

by | Jul 4, 2018 | Eyesight Conditions | 413 comments

20/20 vision

20/20 Vision

A term used to express normal visual acuity (the clarity or sharpness of vision) measured at a distance of 20 feet. If you have 20/20 vision, you can see clearly at 20 feet what should normally be seen at that distance. If you have 20/100 vision, it means that you must be as close as 20 feet to see what a person with normal vision can see at 100 feet.

Visual acuity is only one in a series of factors that evaluate one's vision.

Visual acuity is only one in a series of factors that evaluate one’s vision.

20/20 does not necessarily mean perfect vision. 20/20 vision only indicates the sharpness or clarity of vision at a distance. There are other important vision skills, including peripheral awareness or side vision, eye coordination, depth perception, focusing ability and color vision that contribute to your overall visual ability.

__ sightedness

Some people can see well at a distance, but are unable to bring nearer objects into focus. This condition can be caused by hyperopia (farsightedness) or presbyopia (loss of focusing ability). Others can see items that are close, but cannot see those far away. This condition may be caused by myopia (nearsightedness).

A comprehensive eye examination by a doctor of optometry can diagnose those causes, if any, that are affecting your ability to see well. In most cases, your optometrist can prescribe glasses, contact lenses or a vision therapy program that will help improve your vision. If the reduced vision is due to an eye disease, the use of ocular medication or other treatment may be used.

Reference: eyecare.org

For more helpful eye care and vision care tips, please visit our main blog page.

413 Comments

  9. sex sai gon 88aa.app
    sex sai gon 88aa.app on June 12, 2025 at 5:00 am

    Nothing beats people coming together to talk about their views, especially in the welcoming space at sex 13+ 88aa. Love the website, keep up the good work!

  13. BruceGot
    BruceGot on June 12, 2025 at 6:57 am

    ¡Hola, entusiastas del azar !
    Los jugadores valoran mucho poder acceder a casinos online fuera de EspaГ±a sin validaciones de identidad. casino fuera de espaГ±a Esto elimina esperas innecesarias. Puedes jugar casi al instante tras el registro.
    Casino por fuera con juegos en vivo y pagos instantГЎneos – п»їhttps://casinofueradeespanol.xyz/
    Los casinos online fuera de EspaГ±a permiten jugar sin validaciones complejas ni formularios largos. Gracias a su enfoque internacional, pueden ofrecer condiciones mГЎs flexibles. Esto los hace perfectos para quienes valoran la rapidez y el anonimato.
    ¡Que tengas espectaculares tiradas exitosas !

  45. sex phi 88aas.com
    sex phi 88aas.com on June 13, 2025 at 6:46 am

    I appreciate it when individuals unite and share opinions, just as they do at sex 5+ 88aa. Fantastic site, continue the great effort!

  46. sex cuba 88aag.com
    sex cuba 88aag.com on June 13, 2025 at 12:45 pm

    It’s wonderful when folks gather and discuss their thoughts, similar to the engaging conversations at sex 15+ 88aa. Awesome website, keep it going!

  55. sex ha noi 88aa
    sex ha noi 88aa on June 14, 2025 at 1:27 pm

    I appreciate it when individuals unite and share opinions, just as they do at sex 14+ 88aa. Fantastic site, continue the great effort!

  59. MathewGap
    MathewGap on June 14, 2025 at 5:09 pm

    можно проверить ЗДЕСЬ https://rustud.com

  100. RobertOnems
    RobertOnems on June 16, 2025 at 10:49 pm

    ¡Saludos, buscadores de tesoros!
    Casinosextranjerosenespana.es – Oportunidades diarias – п»їhttps://casinosextranjerosenespana.es/ mejores casinos online extranjeros
    ¡Que vivas increíbles instantes inolvidables !

  111. sex chile 88aa-vn.com
    sex chile 88aa-vn.com on June 17, 2025 at 4:49 am

    I appreciate it when individuals unite and share opinions, just as they do at sex 14+ 88aa. Fantastic site, continue the great effort!

  118. 88aa.app ma tuy
    88aa.app ma tuy on June 17, 2025 at 9:47 am

    I appreciate it when individuals unite and share opinions, just as they do at sex 10+ 88aa. Fantastic site, continue the great effort!

  124. Stevenplabe
    Stevenplabe on June 17, 2025 at 2:33 pm

    ¡Hola, exploradores del azar !
    casino fuera de espaГ±a – guГ­a para jugadores espaГ±oles – п»їп»їhttps://casinoonlinefueradeespanol.xyz/ casino online fuera de espaГ±a
    ¡Que disfrutes de asombrosas momentos memorables !

  132. Ремонт iPhone 14 Pro Москва
    Ремонт iPhone 14 Pro Москва on June 17, 2025 at 8:54 pm

    Предлагаем услуги профессиональных инженеров офицальной мастерской.
    Еслли вы искали срочный ремонт iphone 14 pro, можете посмотреть на сайте: ремонт iphone 14 pro сервис
    Наши мастера оперативно устранят неисправности вашего устройства в сервисе или с выездом на дом!

  135. JesseBarie
    JesseBarie on June 18, 2025 at 4:18 pm

    Tried the https://www.cornbreadhemp.com/products/thc-seltzer-blueberry-breeze-5mg from Cornbread Hemp. I went with the full spectrum ones — the ones with a little THC. Took a man beforehand bed. The partiality is subtle, kind of rough but not gross. After beside an hour, I felt more relaxed. Not knocked out like a light or anything, honest mollify enough to downgrade asleep without overthinking. No grogginess in the morning, which I was distraught about. They’re not bargain-priced, but if you’ve had perturb unwinding at darkness, this puissance remedy

  136. MarioHoozy
    MarioHoozy on June 18, 2025 at 6:18 pm

    ¡Saludos, buscadores de éxitos!
    Juegos populares en casinos online extranjeros – https://www.casinosextranjero.es/ mejores casinos online extranjeros
    ¡Que vivas increíbles instantes inolvidables !

  137. c-t-s.uk.com buon vu khi
    c-t-s.uk.com buon vu khi on June 19, 2025 at 7:54 am

    I appreciate it when individuals unite and share opinions, just as they do at sex 5+ 88aa. Fantastic site, continue the great effort!

  138. sex pakistan 88aa-vi.com
    sex pakistan 88aa-vi.com on June 19, 2025 at 11:13 am

    Nothing beats people coming together to talk about their views, especially in the welcoming space at sex 5+ 88aa. Love the website, keep up the good work!

  221. JessieAdvox
    JessieAdvox on June 24, 2025 at 1:13 am

    Tried the Joy Organics mood gummy minus of curiosity. Taste is rigorous, not too sweet. I took joined in the afternoon when I was compassion kinda away — not sad, just limited energy. Relating to 30–40 mins later, I felt a moment more level. Not like a enormous market, but reasonably to notice. No weird boom after. Don’t have demonolatry, but conducive to me, it helped shock a resemble the edge off without sense zoned out.

  283. BryceCasty
    BryceCasty on June 26, 2025 at 11:53 am

    посмотреть на этом сайте gazino

  409. HenryDot
    HenryDot on July 1, 2025 at 4:45 pm

    Greetings, followers of fun !
    Jokes for adults clean and fun for all – http://jokesforadults.guru/# very funny jokes for adults
    May you enjoy incredible surprising gags!

Submit a Comment

Your email address will not be published. Required fields are marked *