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Loss of vision, also known as visual impairment or vision loss, refers to a decreased ability to see or a complete inability to see light or darkness. It can be temporary or permanent, and may affect one or both eyes.

There are several potential causes of vision loss, including:

• Eye injuries or trauma
• Genetic disorders
• Eye diseases like glaucoma, cataracts, or macular degeneration
• Neurological conditions such as optic neuritis or stroke

The symptoms of vision loss can vary depending on the underlying cause. Some common signs include:

• Blurred or hazy vision
• Difficulty seeing objects clearly
• Partial or total loss of peripheral vision
• Seeing floaters or flashes of light

If you or someone you know is experiencing vision loss, it is important to seek medical attention as soon as possible. Depending on the cause and severity of the vision loss, treatment options may include:

• Eyeglasses or contact lenses
• Medications or eye drops
• Surgery
• Visual aids or assistive devices
• Vision rehabilitation and therapy

In some cases, vision loss may be preventable or manageable with early detection and proper treatment. Regular eye exams and practicing good eye health habits can go a long way in preserving your vision.