Eye care
Learning Center
Choosing sunglasses: Is UV protection important?
When it comes to sunglasses, UV protection matters. Here's why.
Eye injury: Tips to protect vision
An eye injury can happen in the yard, kitchen or even at the playground. Understand how to avoid injuries and when to seek medical help.
Eye dilation: Necessary with every eye exam?
Eye dilation is part of a comprehensive eye exam. How often you need it depends on your age and health risks.
Shopping for shades?
Ultraviolet (UV) radiation from the sun can damage your eyes, not just your skin. Choose sunglasses that block 99% to 100% of both UVA and UVB rays. Opt for wraparound sunglasses or closefitting sunglasses with wide lenses that protect your eyes from every angle. Keep in mind that the color of the lenses and the degree of darkness the sunglasses provide have nothing to do with the sunglasses' ability to block UV rays.
Feminizing surgery
Find out how feminizing surgical procedures can help better align the body with a person's gender identity.
Ankylosing spondylitis
Learn about this inflammatory disease that can cause some of the vertebrae in the spine to fuse over time.
Masculinizing surgery
Find out how masculinizing surgical procedures can help better align the body with a person's gender identity.
Multiple sclerosis
This nervous system disorder causes a range of symptoms — and while there's no cure, it's possible to have long periods of remission.
Blood donation
Find out what to expect during blood donation and how your blood will be used to help others.
Different types of COVID-19 vaccines: How they work
Find out how different COVID-19 vaccines cause your body to create antibodies that will fight the COVID-19 virus.
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