Purpose To determine whether macular photocoagulation has any effect on refraction in diabetics. Methods This was a prospective study of 12 eyes of 12 diabetics with refraction at 2 weeks before and ...

Scientists have demonstrated that negative refraction can be achieved using atomic arrays -- without the need for artificially manufactured metamaterials. Scientists have long sought to control light ...

Refractive errors are common eye issues that can cause blurry or distorted vision. Treatment usually involves wearing glasses or contact lenses or getting procedures ...