Cressi Big Eyes Evolution Negative Prescription Dive Mask

See the underwater world more clearly with the Cressi Big Eyes Evolution Negative Prescription Dive Mask. Designed for short-sighted or near-sighted divers, this premium optical dive mask combines Cressi’s renowned panoramic Big Eyes design with genuine premade negative prescription lenses.

Available from -1.0 to -6.0 dioptres in 0.5 increments, the corrective lenses improve distance vision across the entire viewing area. Left and right lenses can be selected separately, allowing you to choose a different strength for each eye.

Ideal for scuba diving and snorkelling, the Cressi Big Eyes Evolution Prescription Mask delivers clearer underwater vision without needing to wear contact lenses beneath your mask.

Mask fit and specifications

These fit and construction details describe the base mask. The selected corrective lenses determine the fitted lens prescription and optical properties.

Face-fit profile	Regular (Cressi chart marker)
Lens layout	Twin lens; angled inverted-teardrop windows
Prescription lens options	Compatible corrective lenses available separately; check the selected configuration.
Skirt design	Differentiated rigidity with supporting ribs
Strap design	Adjustable head strap
Buckle adjustment	Pivoting micrometric buckles on flexible elastomer tabs

Cressi Big Eyes Evolution size chart

This chart applies to the Cressi Big Eyes Evolution mask in this set.

Manufacturer skirt-fit guide	Regular (Cressi chart marker)
Skirt chart measurements	A: 124 mm; B: 110 mm (Cressi chart references)
Nose-area chart measurements	C: 36 mm; D: 58 mm (Cressi chart references)
Manufacturer nose-size scale	4 on Cressi’s 1–5 reference scale

Cressi’s measurements are reference points on the diagram. They describe the skirt and nose area, rather than overall frame dimensions or a guaranteed facial fit. Check the seal and nose-pocket comfort before choosing.

View the original Cressi size chart.

Clearer Distance Vision Underwater

Negative prescription lenses are designed for people who can see nearby objects clearly but have difficulty focusing at a distance. Underwater, they can make marine life, dive buddies, hand signals and your surroundings appear sharper and easier to identify.

The correction extends across the entire lens rather than being limited to a small reading section. This makes the mask suitable for divers who primarily need improved distance vision.

Genuine Premade Cressi Optical Lenses

The Cressi negative optical lenses are premade corrective lenses manufactured in a range of standard dioptre strengths. Similar to TUSA prescription mask lenses, they provide a practical and affordable alternative to having a fully customised prescription mask made by an optical laboratory.

Each high-quality optical glass lens replaces one of the mask’s original standard lenses. Because the left and right lenses are ordered separately, you can choose matching strengths or a different correction for each eye.

Premade lenses correct the sphere (SPH) component of a distance prescription. They are not individually ground to reproduce every part of a complete optical prescription.

Exceptional Big Eyes Visibility

Cressi’s innovative Big Eyes system uses lenses inclined at approximately 15 degrees and extended down over the cheeks. This design positions the lenses closer to the eyes and provides more than 30% greater downward visibility than a traditional dive mask.

The compact frame minimises obstruction and delivers excellent forward, downward and peripheral vision. This expansive field of view allows you to enjoy your surroundings and check equipment with less head movement.

Lightweight, Low-Volume Design

Despite its generous field of view, the Big Eyes Evolution weighs approximately 160g and has a low internal volume of approximately 115cm³.

Bringing the lenses closer to the eyes helps improve visibility while making the mask easier to equalise and clear. A reinforced central bridge maintains the correct lens position and helps reduce optical distortion caused by excessive strap tension.

Comfortable Dual-Density Silicone Skirt

The advanced EVO skirt combines two silicone densities to deliver comfort, stability and a dependable seal.

Firmer silicone within the mask provides structural support, while the exceptionally soft outer sealing edge gently conforms to the contours of your face. Carefully varied skirt thickness provides flexibility in critical areas and helps maintain comfort throughout longer dives.

Fully Pivoting Buckle System

The mask’s buckles pivot in multiple directions and connect to the frame through flexible, highly durable elastomer tabs. This allows the strap to align naturally around your head while reducing unnecessary pressure on the silicone skirt.

Strap tension is transferred directly to the frame, helping keep the mask stable and the lenses positioned close to your eyes.

Features and Benefits

• Negative prescription dive mask for short-sighted and near-sighted divers
• Improves distance vision underwater
• Full-lens optical correction
• Genuine premade Cressi corrective lenses
• High-quality optical glass construction
• Available from -1.0 to -6.0 dioptres
• Supplied in 0.5-dioptre increments
• Lenses are professionally installed
• Left and right lens strengths selected separately
• Different corrections can be chosen for each eye
• Affordable alternative to a custom-ground prescription mask
• Big Eyes inclined-lens technology
• More than 30% greater downward visibility than a conventional mask
• Excellent forward and peripheral visibility
• Lightweight construction of approximately 160g
• Low internal volume of approximately 115cm³
• Dual-density silicone skirt
• Soft and comfortable facial seal
• Fully pivoting buckle system
• Reinforced central bridge helps minimise optical distortion
• Suitable for scuba diving and snorkelling

Understanding Premade Prescription Lenses

Premade optical lenses correct the sphere or SPH component of your prescription. They do not provide customised correction for:

• Cylinder or astigmatism
• Axis
• Prism
• Bifocal or multifocal requirements
• Other individually prescribed optical corrections

Because the lenses are supplied in standard 0.5-dioptre increments, an available strength may not exactly match your prescription. Ask your optometrist to recommend the most appropriate strength for each eye if you are unsure.

How to Select Your Lenses

• Check the SPH or Sphere value on your distance prescription.
• Select the appropriate negative dioptre for each eye.
• Choose left and right lens strengths separately.
• Select No Correction if only one eye requires a prescription lens.
• Do not assume your contact lens strength will be the correct option.
• Consult your optometrist if your prescription falls between available strengths or contains cylinder, axis, prism or other corrections.

Optical Lens Compatibility

The genuine negative optical lenses used in this mask are also designed for:

• Cressi Big Eyes Evolution Mask
• Cressi Big Eyes Evolution Crystal Mask
• Cressi Quantum Mask

Important Ordering Information

• The optical correction price is per lens.
• Left and right lenses must be selected separately.
• Left and right lenses are specifically shaped and are not interchangeable.
• Different strengths can be selected for the left and right eyes.
• These are premade optical lenses, not custom-ground prescription lenses.
• Available range: -1.0 to -6.0 dioptres.
• Available in 0.5-dioptre increments.
• Professional installation is recommended if you are unfamiliar with replacing mask lenses.
• Consult your optometrist before ordering if you are uncertain which lens strengths you require.

The Cressi Big Eyes Evolution Negative Prescription Dive Mask is an excellent choice for near-sighted divers seeking sharper distance vision, outstanding downward visibility and Cressi’s renowned comfort and build quality.