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  2. List of systemic diseases with ocular manifestations - Wikipedia

    en.wikipedia.org/wiki/List_of_systemic_diseases...

    Diabetes, for example, is the leading cause of new cases of blindness in those aged 20–74, with ocular manifestations such as diabetic retinopathy and macular edema affecting up to 80% of those who have had the disease for 15 years or more.

  3. Photic retinopathy - Wikipedia

    en.wikipedia.org/wiki/Photic_retinopathy

    A person with photic retinopathy may notice an impairment in their vision, for example a spot that does not go away after a reasonable recovery time, or blurring. They may also have eye pain or headaches. Vision impairment is usually in both eyes, but can be in just one. Impairment of a person with 20/20 vision usually ends up being about 20/40 ...

  4. Visual acuity - Wikipedia

    en.wikipedia.org/wiki/Visual_acuity

    [31] Most observers may have a binocular acuity superior to 6/6; the limit of acuity in the unaided human eye is around 6/3–6/2.4 (20/1020/8), although 6/3 was the highest score recorded in a study of some US professional athletes. [32]

  5. Central serous chorioretinopathy - Wikipedia

    en.wikipedia.org/wiki/Central_serous_chorio...

    The prognosis for CSR is generally excellent. While immediate vision loss may be as poor as 20/200 in the affected eye, clinically, over 90% of patients regain 20/25 vision or better within 45 days. [1] Once the fluid has resolved, either spontaneously or through treatment, distortion is reduced and visual acuity improves as the eye heals.

  6. Farsightedness - Wikipedia

    en.wikipedia.org/wiki/Farsightedness

    If the brain never learns to see objects in detail, then there is a high chance of one eye becoming dominant. The result is that the brain will block the impulses of the non-dominant eye. In contrast, the child with myopia can see objects close to the eye in detail and does learn at an early age to see objects in detail. [medical citation needed]

  7. Computer vision syndrome - Wikipedia

    en.wikipedia.org/wiki/Computer_vision_syndrome

    Some symptoms of CVS include headaches, blurred vision, neck pain, fatigue, eye strain, [1] dry eyes, irritated eyes, double vision, vertigo/dizziness, polyopia, and difficulty refocusing the eyes. These symptoms can be further aggravated by improper lighting conditions (i.e. glare, [2] [3] strong blue-spectrum backlights, [citation needed] or ...

  8. Anisometropia - Wikipedia

    en.wikipedia.org/wiki/Anisometropia

    Anisometropia causes some people to have mild vision problems, or occasionally more serious symptoms like alternating vision or frequent squinting. However, since most people do not show any clear symptoms, the condition usually is found during a routine eye exam. [8] For early detection in preverbal children, photoscreening can be used.

  9. Myopia - Wikipedia

    en.wikipedia.org/wiki/Myopia

    Symptoms include flashes of light, sudden increases in floaters, a shadow or curtain moving across the field of vision, and blurred vision, often without pain. It can be caused by retinal tears (rhegmatogenous detachment), scar tissue pulling on the retina (tractional detachment), or fluid accumulation without a tear (exudative detachment).

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