Snorkeling and Glaucoma: Gentle Aquatic Activity with Mask and Sunlight Considerations
Importantly, snorkeling is mostly done at the surface where the water pressure is nearly the same as on land, so you avoid the pressure changes of...
Diving Mask
Deep research and expert guides on maintaining your visual health.
Free Online Peripheral Vision Screening
Our visual field test checks for blind spots and peripheral vision changes — the same type of screening used in eye clinics.
Test Your Visiondiving mask
A diving mask is a piece of equipment that lets you see clearly underwater by creating an air pocket in front of your eyes. It typically consists of a lens or lenses, a soft skirt that seals against your face, and an adjustable strap to hold it in place. The skirt is usually made from silicone or rubber so it can form a watertight seal, while lenses are often tempered glass for safety. A good fit is important because leaks or pressure changes can make the mask uncomfortable or useless; fitting means the skirt sits snugly without being painfully tight. For people who wear glasses, many masks come with prescription lenses or removable lenses that can be fitted after purchase. The mask also affects pressure in your face during descents, so learning to equalize and clear the mask of water is part of safe underwater practice. Anti-fog treatments, rinsing techniques, and proper storage help keep the view clear during use. Maintaining and inspecting the mask for cracks, stretched straps, or lost seals keeps it reliable and safe over time. Choosing a comfortable, well-fitting mask matters because it directly affects comfort, safety, and how much you enjoy being under the surface.