Does the scale on OCULUS Universal Trial Frames for reading the axis and base position conform to the TABO graduated arc scale according to DIN EN ISO 8429? Yes, it conforms to DIN EN ISO 8429. 21 Nov 2025|Categories: UB 3, UB 4, UB 5, UB 6| SHARE ARTICLE FacebookLinkedInWhatsAppTelegramEmailCopy Link