Myopia (nearsightedness) is a common refractive error which occurs when the eye does not bend and focus light properly which results in...

What is Astigmatism? Astigmatism is a type of refractive error. It is a common eye problem which can cause vision to be distorted and...

Presbyopia is a refractive error that makes it hard for middle-aged and older adults to see things up close. Presbyopia is an age-related...