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Full Area Lenses Explained
Many divers are surprised when their prescription diving mask lenses do not reach the edge of the original mask lens. In this article, German Master Optician Lars Lammert explains why this is normal, how custom prescription diving mask lenses are manufactured, what Full Area Lenses really mean, and why optical centration is often more important than lens size for clear underwater vision.
Meet us at Scuba Show
Visit Diving Mask at Scuba Show Long Beach 2026 in Southern California. Discover individually customized prescription and progressive diving masks, seamless underwater vision, astigmatism correction and worldwide shipping. Meet our European optical team at Booth #228 and try progressive diving masks in person.
The Dive Happens In Between
Many underwater photographers think they need a bigger camera display or a brighter dive computer. But the real problem is often missing intermediate vision underwater. Learn why reading inserts and bifocals feel limiting — and why more divers switch to progressive diving lenses for natural vision underwater.
Oxygen Toxicity in Scuba Diving
Oxygen toxicity in scuba diving is not about fear — it is about understanding pressure, gas mixes and safe limits underwater. As depth increases, the partial pressure of oxygen (PPO₂) rises and can become dangerous if limits are exceeded. Proper training, gas planning, dive computer monitoring and situational awareness are essential for safe diving.
This article explains PPO₂, Nitrox depth limits, common symptoms of oxygen toxicity and why clear underwater vision plays an important role in reducing stress, improving control and supporting safer decision-making underwater.
The Ultimate Guide to the Mares X-Vision: Evolution, Models, and Custom Prescription Solutions
SCUBA Pro Zoom Lite – lighter, innovative, but with important limitations
Corrective Lens Dive Mask Guide: Your Essential 2026 Handbook
Why Your Dive Mask Fogs Up
Dive masks fog up because warm, humid air from your face hits the cold lens surface. New masks fog even more due to a stubborn, invisible silicone film from the factory. Oils, sunscreen, fingerprints, and residue make the problem worse.
Common methods like spit, toothpaste, or dish soap only work partially. Spit helps briefly, toothpaste can remove the factory film (but may scratch the lens), and dish soap is unreliable. Burning the mask works but is risky and not suitable for most lenses.
The only consistent and long-lasting solution is a high-quality anti-fog product.
Fogbreaker lasts one to four dives, isn’t rinsed off, and keeps the mask clear. Our prescription-lensed masks arrive fully cleaned — the silicone film is already removed — so Fogbreaker works even better.
Progressive Prescription Diving Masks: A Better Alternative to Bifocal Diving Masks?
Progressive prescription diving masks are becoming the preferred alternative to traditional bifocal diving masks for many divers over 40, underwater photographers, and frequent recreational divers. Unlike bifocal dive masks with visible separation lines, progressive dive masks provide smooth vision across near, intermediate, and distance ranges underwater. This article explains the advantages of progressive lenses for reading dive computers, underwater photography, marine life observation, and long-term diving comfort — while also comparing progressive vs. bifocal diving masks in real underwater situations.
