M-cone damage or loss leads to deuteranomaly or deuteranopia. S-cones transmit blue light. S-cone damage or loss results in tritanomaly or tritanopia. Mild color vision deficiency involves damage ...

A new study suggests that never-seen-before stem cells in the human retina can restore vision in mice with a common eye disorder. But more work is needed to translate the treatment to people.

Research connects vision to a later dementia diagnosis. Scientists found visual sensitivity tests could predict dementia up to 12 years before it was diagnosed. Neurologists say more work is ...