{"product_id":"ins-11128-trial-frame-iii","title":"INS-11128 | Trial Frame III","description":"\u003cp\u003eThe \u003cstrong\u003eOpti+ INS-11128 Adjustable Trial Frame\u003c\/strong\u003e is a lightweight and fully adjustable frame designed for manual refraction examinations. It allows practitioners to position multiple trial lenses accurately in front of each eye while adjusting pupillary distance, cylinder axis, nose-rest position, temple length, and temple inclination for a comfortable patient fit.\u003c\/p\u003e\n\n\u003cp\u003eWith five lens slots per eye, precise monocular and binocular PD adjustment, and a total weight of only \u003cstrong\u003e55 g\u003c\/strong\u003e, the INS-11128 is ideal for daily use in optical stores, optometry practices, ophthalmology clinics, hospitals, and vision-screening programs.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e\u003cstrong\u003eOutstanding Features\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFive Trial Lenses per Eye\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eEach lens holder accommodates up to \u003cstrong\u003efive trial lenses simultaneously\u003c\/strong\u003e, with three slots positioned in front and two slots behind the frame. This configuration supports combinations of spherical, cylindrical, prism, occlusion, and other accessory lenses.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eIndependent Monocular PD Adjustment\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe pupillary distance can be adjusted independently for each eye from \u003cstrong\u003e25 to 40 mm\u003c\/strong\u003e, providing a combined binocular PD range from \u003cstrong\u003e50 to 80 mm\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003ePrecise PD Scale\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe clearly marked pupillary distance scale offers \u003cstrong\u003e1 mm graduations\u003c\/strong\u003e with a stated tolerance of \u003cstrong\u003e±0.5 mm\u003c\/strong\u003e, supporting accurate alignment of the trial lenses with the patient’s visual axes.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eAdjustable Cylinder Axis\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eGraduated axis dials allow precise positioning of cylindrical trial lenses. The lenses can rotate through \u003cstrong\u003e360°\u003c\/strong\u003e, with axis markings in \u003cstrong\u003e5° increments\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eAdjustable Nose Rest\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe nose rest provides a height adjustment range from \u003cstrong\u003e0 to 23 mm\u003c\/strong\u003e and can be rotated through \u003cstrong\u003e360°\u003c\/strong\u003e to accommodate different facial profiles and improve patient comfort.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eAdjustable Temple Length\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe temple length can be extended in \u003cstrong\u003e5 mm increments\u003c\/strong\u003e, allowing the frame to fit patients with different head sizes.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eIndependent Temple Inclination\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe left and right temple angles can be adjusted independently to improve frame stability and maintain correct lens positioning during the examination.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eLightweight Construction\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eConstructed from durable \u003cstrong\u003eplastic and metal components\u003c\/strong\u003e, the frame weighs only \u003cstrong\u003e55 g\u003c\/strong\u003e, helping reduce patient discomfort during longer refraction procedures.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eDesigned for Professional Refraction\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe frame is suitable for manual refraction, prescription verification, binocular testing, and demonstrating different lens corrections to patients.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e✅ \u003cstrong\u003eThe Opti+ INS-11128 Adjustable Trial Frame combines five lens positions per eye, precise PD and axis adjustment, customizable patient fitting, and an ultra-lightweight 55 g design for comfortable and accurate manual refraction.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cdiv class=\"richt-text-block-produkteigenschaften margin-top-xxs w-richtext\"\u003e\n\u003ch2 class=\"headline-akkordeon\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003c\/div\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-family: Arial,sans-serif; font-size: 14px; margin-bottom: 20px;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr style=\"background-color: #e6e6e6; font-weight: bold;\"\u003e\n\u003ctd style=\"padding: 10px;\" colspan=\"2\"\u003eOPTICAL \u0026amp; LENS-HOLDER DATA\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eInstrument Type\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eAdjustable trial frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eManual refraction and trial-lens testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLens Capacity\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e5 trial lenses per eye\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLens-Slot Configuration\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3 front slots and 2 rear slots per eye\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLens-Holder Inner Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eØ33.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLens Rotation\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e360°\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eAxis Scale Graduation\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e5° increments\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background-color: #f2f2f2; font-weight: bold;\"\u003e\n\u003ctd style=\"padding: 10px;\" colspan=\"2\"\u003ePUPILLARY DISTANCE ADJUSTMENT\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBinocular PD Range\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e50–80 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eMonocular PD Range\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e25–40 mm per eye\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePD Scale Graduation\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePD Value Tolerance\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e±0.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background-color: #f2f2f2; font-weight: bold;\"\u003e\n\u003ctd style=\"padding: 10px;\" colspan=\"2\"\u003ePATIENT-FITTING ADJUSTMENTS\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eNose-Rest Height Adjustment\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e0–23 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eNose-Rest Angle Adjustment\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e0–360°\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eTemple Length Adjustment\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eAdjustable in 5 mm increments\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eTemple Inclination\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eIndependently adjustable for each side\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background-color: #f2f2f2; font-weight: bold;\"\u003e\n\u003ctd style=\"padding: 10px;\" colspan=\"2\"\u003ePHYSICAL \u0026amp; ENVIRONMENTAL DATA\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eConstruction\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePlastic and metal\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e55 g (1.94 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRecommended Disinfectant\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e75% alcohol solution applied with a soft cloth\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e−10 to 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eStorage Humidity\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e30–60% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eExpected Service Life\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e5 years under recommended use and care conditions\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":49261121405174,"sku":"INS-11128","price":150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/5258\/3414\/files\/INS-11128_1.jpg?v=1764776770","url":"https:\/\/bkframes.com\/products\/ins-11128-trial-frame-iii","provider":"BK FRAMES, CORP.","version":"1.0","type":"link"}