This review gives a brief account of the main processes of lens development, including induction, morphogenesis, differentiation and growth. It describes what is known about the molecules and ...

Researchers have developed a way to visualise boron nitride layers that are one atom thick. These ultrathin sheets are typically almost impossible to detect with standard optical microscopes. The team ...

LASIK surgery can be a viable option for people with mild to moderate astigmatism, potentially reducing or eliminating the need for glasses or contacts. Eligibility for LASIK depends on factors beyond ...

Amy is a health reporter and writer with extensive experience covering health conditions, fitness, mental health, and nutrition. She also writes about outdoors and travel. In addition to Health, her ...

You've probably heard the term "polarized" in regard to sunglasses, but what does that really mean, and is it an important factor when choosing a pair of sunglasses? I spoke with two ophthalmologists, ...