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What Are the Symptoms of Blindness?

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Blindness refers to a lack of vision that can result from a loss of vision over time or the absence of vision from birth. There are two types of blindness: partial and complete. Partial blindness means you have very limited vision, whereas complete blindness means you cannot see any light at all. People with vision worse than 20/200 vision are considered legally blind in most states, which means they cannot operate vehicles legally without glasses or contact lenses that improve their vision. There are different types of blindness and many different causes and symptoms of blindness, and it can help to know these if you are experiencing issues with vision impairment.

Types and Symptoms of Blindness

There are several different types of partial blindness, each of which has its own symptoms. For example, color blindness is the inability to perceive differences between some colors that other people can distinguish in the color spectrum. While not true blindness, color blindness can make it impossible to distinguish certain colors and affects about 8 percent of men and less than 1 percent of women. Night blindness involves the inability to see well under situations of decreased light. Some of the main symptoms of night blindness are blurred vision when going from a brightly lit room to a dimly lit one and difficulty seeing well at night. While these types of blindness do not involve total loss of sight, they can make it extremely difficult to function in certain situations.

General Symptoms of Blindness

While different varieties of blindness have different symptoms, one of the main symptoms of blindness is difficulty seeing. People with similar levels of vision loss may have different responses to this symptom. For example, if someone is born blind, he or she is likely to have much fewer problems adjusting to a non-seeing world than someone who loses vision later in life. Some other symptoms of blindness are discomfort in your eyes, constant awareness of your eyes, foreign body sensation (feeling like there is something foreign in your eyes all the time), pain in your eyes, and a fluidic discharge. If your blindness is due to an infection of your cornea (the dome in front of your eye), the cornea may become white, which can make it difficult to for others to view the colored portion of your eye.

There are many causes and symptoms of blindness, especially since there are different types of blindness that affect people differently. However, if you are experiencing any eye discomfort or believe you may have some symptoms of blindness, you should contact an eye care professional immediately, as he or she can provide you with an accurate eye exam, diagnose the issue, and recommend a suitable treatment plan based on the problem.

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