{"product_id":"maskoptix-prescription-diving-glasses-eab-21-dark-brown","title":"Maskoptix Prescription Diving Glasses EAB-21-Dark Brown","description":"\u003cp\u003e\u003cstrong\u003eThe EAB-21 Dark Brown a classic Avaitor-style frame, making it well-suited for bifocal \u0026amp; progressive prescriptions and multi-distance vision needs.\n\nEngineered to perform where traditional inserts fail, it features an ultra-slim temple architecture designed to integrate seamlessly beneath a dive mask without breaking the seal. This ensures stable, uninterrupted optical clarity from briefing through final ascent.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp style=\"margin-top: 20px;\"\u003e\u003cstrong\u003eStarting at $199 | Custom Lab-Crafted | FSA\/HSA Eligible\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr style=\"border: 0; border-top: 1px solid #eee; margin: 20px 0;\"\u003e\n\n\u003cdetails style=\"margin-bottom: 10px; cursor: pointer;\"\u003e\n  \u003csummary style=\"background: #000; padding: 12px 15px; display: flex; align-items: center; justify-content: space-between; list-style: none;\"\u003e\n    \u003cspan style=\"font-family: 'Oswald', sans-serif; font-weight: 800; font-size: 18px; color: #DBFF00; text-transform: uppercase;\"\u003ePerformance Specifications\u003c\/span\u003e\n    \u003cspan style=\"color: #DBFF00; font-size: 14px;\"\u003e▼\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding: 15px; border: 1px solid #eee; border-top: none;\"\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eOptics:\u003c\/strong\u003e Custom-surfaced to your exact prescription (Single Vision, Progressive, or Bifocal).\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eLens Material:\u003c\/strong\u003e Premium \u003cstrong\u003eCR-39 High-Abbe Value\u003c\/strong\u003e polymer for maximum edge-to-edge clarity.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eArchitecture:\u003c\/strong\u003e Low-profile temple design engineered specifically for mask integration.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Built-in scratch-resistant hard coating and impact protection.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom: 10px; cursor: pointer;\"\u003e\n  \u003csummary style=\"background: #000; padding: 12px 15px; display: flex; align-items: center; justify-content: space-between; list-style: none;\"\u003e\n    \u003cspan style=\"font-family: 'Oswald', sans-serif; font-weight: 800; font-size: 18px; color: #DBFF00; text-transform: uppercase;\"\u003eWhy It’s Better Than a Mask Insert\u003c\/span\u003e\n    \u003cspan style=\"color: #DBFF00; font-size: 14px;\"\u003e▼\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding: 15px; border: 1px solid #eee; border-top: none;\"\u003e\n    \u003cp\u003eTraditional inserts are approximations; MaskOptix is a precision tool. By wearing your prescription on your face—not inside the mask—you gain a critical advantage in safety and clarity.\u003c\/p\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eContinuous Vision:\u003c\/strong\u003e Maintain sight even if your mask is removed, flooded, or swapped.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCR-39 Optical Purity:\u003c\/strong\u003e Superior Abbe value (\u003cstrong\u003e58\u003c\/strong\u003e) virtually eliminates color fringing.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eField of View:\u003c\/strong\u003e Closer lens-to-eye distance provides a natural wide-angle view.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eFogging Control:\u003c\/strong\u003e Eliminates the dual-lens trap common with inserts.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom: 10px; cursor: pointer;\"\u003e\n  \u003csummary style=\"background: #000; padding: 12px 15px; display: flex; align-items: center; justify-content: space-between; list-style: none;\"\u003e\n    \u003cspan style=\"font-family: 'Oswald', sans-serif; font-weight: 800; font-size: 18px; color: #DBFF00; text-transform: uppercase;\"\u003eDesigned for the Serious Diver\u003c\/span\u003e\n    \u003cspan style=\"color: #DBFF00; font-size: 14px;\"\u003e▼\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding: 15px; border: 1px solid #eee; border-top: none;\"\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eDive Professionals:\u003c\/strong\u003e Maintain visual awareness on the boat and underwater.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003ePhotographers:\u003c\/strong\u003e Perfect focus for camera displays and viewfinders.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eGauges \u0026amp; Computers:\u003c\/strong\u003e Specifically for those who struggle with blurred displays.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eTravelers:\u003c\/strong\u003e Replaces the need for separate reading or \"boat\" glasses.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom: 10px; cursor: pointer;\"\u003e\n  \u003csummary style=\"background: #000; padding: 12px 15px; display: flex; align-items: center; justify-content: space-between; list-style: none;\"\u003e\n    \u003cspan style=\"font-family: 'Oswald', sans-serif; font-weight: 800; font-size: 18px; color: #DBFF00; text-transform: uppercase;\"\u003eThe CR-39 Edge\u003c\/span\u003e\n    \u003cspan style=\"color: #DBFF00; font-size: 14px;\"\u003e▼\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding: 15px; border: 1px solid #eee; border-top: none;\"\u003e\n    \u003cp\u003eWe utilize \u003cstrong\u003eCR-39\u003c\/strong\u003e because it is the gold standard for clarity. With a refractive index of 1.498, it is naturally harder than standard plastics and offers the clearest possible view through salt water by reducing chromatic aberration.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e\n\n\u003cdetails style=\"margin-bottom: 20px; cursor: pointer;\"\u003e\n  \u003csummary style=\"background: #000; padding: 12px 15px; display: flex; align-items: center; justify-content: space-between; list-style: none;\"\u003e\n    \u003cspan style=\"font-family: 'Oswald', sans-serif; font-weight: 800; font-size: 18px; color: #DBFF00; text-transform: uppercase;\"\u003eLead Time \u0026amp; Delivery\u003c\/span\u003e\n    \u003cspan style=\"color: #DBFF00; font-size: 14px;\"\u003e▼\u003c\/span\u003e\n  \u003c\/summary\u003e\n  \u003cdiv style=\"padding: 15px; border: 1px solid #eee; border-top: none;\"\u003e\n    \u003cul style=\"margin: 0; padding-left: 20px;\"\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCurrent Lead Time:\u003c\/strong\u003e 10 to 14 business days.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eMission Ready:\u003c\/strong\u003e Shipped with a protective case and secure tracking.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\u003c\/details\u003e","brand":"Frame of choice","offers":[{"title":"45-18","offer_id":51267946709294,"sku":"199166024491","price":199.0,"currency_code":"USD","in_stock":true},{"title":"47-20","offer_id":51267946742062,"sku":"199166024552","price":199.0,"currency_code":"USD","in_stock":true},{"title":"50-20","offer_id":51267946774830,"sku":"199166024620","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/8631\/4798\/files\/EAB-21-2048.jpg?v=1773245898","url":"https:\/\/maskoptix.com\/products\/maskoptix-prescription-diving-glasses-eab-21-dark-brown","provider":"MaskOptix Diving Eyeglasses","version":"1.0","type":"link"}