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Macular degeneration: Macular degeneration cause loss of central vision, blurred vision (especially while reading), metamorphopsia (seeing straight lines as wavy), and colors appearing faded. [11] Macular degeneration is the third main cause of blindness worldwide, and is the main cause of blindness in industrialised countries.
The main cause of astigmatism is changes in the curvature of the cornea. [37] When left untreated, astigmatism causes people to have a lower vision-related quality of life. Some factors that lead to this are a decrease in vision quality and an increase in glare and haloes. [33]
People with hyperopia have blurry vision when viewing near objects because the eye is unable to focus the light sufficiently. This can be corrected with convex lenses, which cause light rays to converge prior to hitting the cornea. [13] Presbyopia: When the flexibility of the lens declines, typically due to age. The individual would experience ...
Blurry vision and headaches are symptoms of astigmatism. Astigmatism, a disorder that affects how the eyes focus light, can be exacerbated at night. Blurry vision and headaches are symptoms of ...
Blurred vision: Those with nonexudative (dry) macular degeneration may be asymptomatic or notice a gradual loss of central vision, whereas those with exudative (wet) macular degeneration often notice a rapid onset of vision loss (often caused by leakage and bleeding of abnormal blood vessels). [citation needed]
Symptoms may include faded colours, blurry or double vision, halos around light, trouble with bright lights, and difficulty seeing at night. [1] This may result in trouble driving, reading, or recognizing faces. [8] Poor vision caused by cataracts may also result in an increased risk of falling and depression. [2]