Thermal paper for ophthalmic instruments. 110 mm X 28 m Fits: Alcon Alcon A-Scan Ocuscan Bio Rad Bio Rad Octopus 500/500E/Modular 1 Biomedics/3M Biomedics A Scan All Models Dicon/Coopervision Dicon/Coopervision Auto Perimeter AT 200 Dicon/Coopervision Auto Perimeter (Thermal) 2000/2500/3000 Humphrey Humphrey A/B Scan 835 Marco Marco A Scan Bioscan Mentor Mentor A Scan III Sonomed Sonomed Microscan 100A Topcon Topcon Auto Perimeter SBP1000 Welch Allyn Welch Allyn A Scan Echo Rule Teknar Teknar A Scan Pach