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Just as you don't think about your eye color every day, people with visual impairment don't always think about their condition every day either.Someone with sight problems can become isolated from others more easily, though.Braille allows those with visual impairment to read and write.Special equipment such as microscopic and telescopic glasses and voice-recognition software can make school and homework easier.People rarely lose their eyesight during their teen years.When they do, it's usually caused by an injury like getting hit in the eye or head with a baseball or having an automobile or motorcycle accident.In a camera, the image is created on film or an image sensor.
This concept was beneficial to all blind people from around the world and is still commonly used today.
Some babies have congenital blindness, which means they are visually impaired at birth.
Congenital blindness can be caused by a number of things — it can be inherited, for instance, or caused by an infection (like German measles) that's transmitted from the mother to the developing fetus during pregnancy.
Conditions that may cause vision loss after birth include: If you, your parent, or your doctor suspects a visual problem, you'll probably pay a visit to an ophthalmologist (pronounced: af-thal-MAH-luh-jist), a medical doctor who specializes in examining, diagnosing, and treating eyes and eye diseases.
When someone goes for an examination, the ophthalmologist will look at the structure of that person's eye.
Many people have some type of visual problem at some point in their lives. But when one or more parts of the eye or brain that are needed to process images become diseased or damaged, severe or total loss of vision can occur.