Three visual acuity tests taken at home produce results comparable to those achieved with standard tests taken in the office, researchers say. All the tests are free. Two measure near vision, and the ...

Optical illusions are visual puzzles that are designed in such a way that they can cause the brain to interpret what it sees differently from physical reality. These illusions don't mean that there is ...

Home visual acuity tests could ease pressure on ophthalmic services by facilitating remote review of patients. Home tests may have further utility in giving service users frequent updates of vision ...