Glassy protein solution may cause eyesight deterioration

Long-sightedness caused by age could be due to proteins in the lens of the eye that are converted from a fluid solution to a solid, glassy state, researchers have found. Around the age of 40-50, many people find their sight deteriorates and they need to use reading glasses. This age-related long-sightedness is thought to be due to a reduction in the elasticity of the lens in the eye. A new research study appears to have put its finger on the details of what happens in the eye when long-sightedness develops.

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