Overall Length: 105mm. Created To Mark The Cornea At 10.5mm. To Avoid Error Due To The Torsional Movement Of The Globe, Fixed Marks Are Located On The 90-Degree Meridian As Reference Points For Marking In The Upright Position And Referencing In The Recumbent Position. Corrects Astigmatism Of One And Two Diopters. Designed With An Axis Extension To Easily Align With The Steepest Meridian While Working With a Degree Gauge For Precise Alignment.
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