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Retinitis pigmentosa is the collective name for a range of diseases that damage the retina and cause vision to fade.
A clean face and clean environment are the best protection against trachoma.
Iritis can cause vision problems if it is not treated.
A person with vision loss needs to make adaptations in order to do some everyday activities.
The eye's complicated design means that an image can pass through its many layers and end up crisply focused on the retina.
A significant amount of long-sightedness can lead to blurred vision, particularly for close objects.
Refractive errors are common eye disorders causing blurry vision and are related to the focusing ability of your eyes.