{"product_id":"half-rim-rectangular-photochromic-myopia-glasses","title":"Rongchy Half-Rim Rectangular Photochromic Myopia Glasses","description":"\u003ch2\u003eHow the Photochromic Lenses Work\u003c\/h2\u003e\n\u003cp\u003eThe lenses carry a photochromic layer that reacts to outdoor UV light: they stay fully clear indoors and darken to a comfortable grey tint within seconds in the sun. Back inside, they fade back to clear. Prescription strengths from -0.50 to -4.00 are built into every lens, so one pair covers both indoor vision and outdoor sun protection.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePhotochromic lenses\u003c\/strong\u003e — clear indoors, grey tint outdoors, no lens swapping\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMyopia strengths -0.50 to -4.00\u003c\/strong\u003e — 8 powers in 0.50 steps\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHalf-rim metal frame\u003c\/strong\u003e — open lower rim keeps the view light and unobstructed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAdjustable silicone nose pads\u003c\/strong\u003e — non-slip and comfortable for all-day wear\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSturdy metal hinges\u003c\/strong\u003e — smooth opening and closing, built to last\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnisex design\u003c\/strong\u003e — Black and Silver colourways for men and women\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrame Measurements\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eMeasurement\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eLens width\u003c\/td\u003e\n\u003ctd\u003e54 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eLens height\u003c\/td\u003e\n\u003ctd\u003e36 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eBridge width\u003c\/td\u003e\n\u003ctd\u003e18 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTotal frame width\u003c\/td\u003e\n\u003ctd\u003e140 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003eTemple length\u003c\/td\u003e\n\u003ctd\u003e142 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eWith 54 mm wide rectangular lenses, this frame offers generous coverage and suits medium to larger face shapes.\u003c\/p\u003e\n\n\u003ch2\u003eGood to Know About Photochromic Lenses\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDarkening speed depends on UV intensity — brighter sunlight means a deeper tint\u003c\/li\u003e\n  \u003cli\u003eInside a car the tint may stay lighter, as windshields block most UV\u003c\/li\u003e\n  \u003cli\u003eThe tint works fully even in cold weather\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhich Face Shapes Suit Rectangular Half-Rim Frames\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRound faces\u003c\/strong\u003e — angular lenses add definition and structure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSquare faces\u003c\/strong\u003e — the open half-rim softens a strong jawline\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOval faces\u003c\/strong\u003e — rectangular frames keep natural balance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCare Tips\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eRinse lenses with lukewarm water before wiping to remove dust\u003c\/li\u003e\n  \u003cli\u003eUse a microfibre cloth; avoid paper towels and clothing\u003c\/li\u003e\n  \u003cli\u003eStore in the case to protect the exposed lower lens edge\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eAre these prescription glasses?\u003c\/strong\u003e\u003cbr\u003e\nYes — the photochromic lenses come ready with myopia (nearsighted) strengths from -0.50 to -4.00. Select your strength from the options above.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo they work as sunglasses?\u003c\/strong\u003e\u003cbr\u003e\nThey darken in sunlight like sunglasses, but the tint is lighter than dedicated sunglasses, making them ideal for daily commuting and driving transitions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill they darken inside a car?\u003c\/strong\u003e\u003cbr\u003e\nUsually only lightly — car windshields block most of the UV that triggers the darkening.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo they come with a case?\u003c\/strong\u003e\u003cbr\u003e\nYes, every pair ships with a protective case and cleaning cloth.\u003c\/p\u003e\n","brand":"Rongchy","offers":[{"title":"Black \/ -0.50","offer_id":67903655313542,"sku":"XR0019-BS-Black-050","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Black \/ -1.00","offer_id":67903655346310,"sku":"XR0019-BS-Black-100","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Black \/ -1.50","offer_id":67903655379078,"sku":"XR0019-BS-Black-150","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Black \/ -2.00","offer_id":67903655411846,"sku":"XR0019-BS-Black-200","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Black \/ -2.50","offer_id":67903655444614,"sku":"XR0019-BS-Black-250","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Black \/ -3.00","offer_id":67903655477382,"sku":"XR0019-BS-Black-300","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Black \/ -3.50","offer_id":67903655510150,"sku":"XR0019-BS-Black-350","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Black \/ -4.00","offer_id":67903655542918,"sku":"XR0019-BS-Black-400","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Silver \/ -0.50","offer_id":67903655575686,"sku":"XR0019-BS-Silver-050","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Silver \/ -1.00","offer_id":67903655608454,"sku":"XR0019-BS-Silver-100","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Silver \/ -1.50","offer_id":67903655641222,"sku":"XR0019-BS-Silver-150","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Silver \/ -2.00","offer_id":67903655673990,"sku":"XR0019-BS-Silver-200","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Silver \/ -2.50","offer_id":67903655706758,"sku":"XR0019-BS-Silver-250","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Silver \/ -3.00","offer_id":67903655739526,"sku":"XR0019-BS-Silver-300","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Silver \/ -3.50","offer_id":67903655772294,"sku":"XR0019-BS-Silver-350","price":14.39,"currency_code":"USD","in_stock":true},{"title":"Silver \/ -4.00","offer_id":67903655805062,"sku":"XR0019-BS-Silver-400","price":14.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0025\/5541\/2595\/files\/xr0019-black-clear-front_894262f6-efab-4a98-86b9-da5fe7e1d05e.jpg?v=1793980878","url":"https:\/\/rongchy.com\/products\/half-rim-rectangular-photochromic-myopia-glasses","provider":"Rongchy Mall","version":"1.0","type":"link"}