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A vision disorder is an impairment of the sense of vision.. Vision disorder is not the same as an eye disease.Although many vision disorders do have their immediate cause in the eye, there are many other causes that may occur at other locations in the optic pathway.
A subconjunctival hemorrhage can often occur without any obvious cause or harm to the eye. A strong enough sneeze or cough can cause a blood vessel in the eye to burst. Hyphema is a result of blunt or penetrating trauma to the orbit that increases intraocular pressure, causing tears in the vessels of the ciliary body and iris.
There are many diseases known to cause ocular or visual changes. 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.
Diagnosing cyanopsia involves assessing the patient’s symptoms, medical history, and any recent surgeries or medications; this is generally done by an ophthalmologist. Cyanopsia is a symptom rather than a disease, so the focus is on identifying the underlying cause that is making Cyanopsia occur.
Some glaucomas (e.g. open angle glaucoma) cause gradual loss of vision and some others (e.g. angle closure glaucoma) cause sudden loss of vision. [6] It is one of the leading cause of blindness worldwide. [2] Diabetes: Poorly controlled blood sugar can lead to temporary swelling of the lens of the eye, resulting in blurred vision. While it ...
The Centers for Disease Control and Prevention (CDC) recommends masks to help prevent the spread of Covid-19. Now, eye doctors are helping patients recover from a variety of eye problems resulting ...