We persons usually adjust the size of pupils according to the power of light. The pupils get contrasted when the light is strong and get dilated when weak. However, when the light is too strong for us to adjust the… Read moreHeads Up! Inexpensive Eyeglasses May Hurt Your Eyes

Several days ago, Mrs. Smith brought a pair of inexpensive eyeglasses with only $20 in a small local optical store, and she felt rather excited for this was the cheapest eyeglasses she had ever bought, plus it looked beautiful. However,… Read moreBe Careful About Inexpensive Eyeglasses Which Would Do Harm Your Eyes