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Download, print and use this free lens autofocus calibration card to quickly and esily check and correct the autofocus of your camera and lens system.
This PDF file contains the checklist that our staff uses when measuring the axial length, central corneal power, ACD, and horizontal corneal diameter using the IOLMaster. The PDF contains three identical checklists.
Download polarized lenses resources like availability charts, sales aids, and more for NuPolar, KBco, Xperio UV, Transitions Vantage, and Drivewear lenses.
This calculator combines a spherical GP lens design nomogram developed by Dr. Ed Bennett with a GP toric lens calculator developed by Dr. Tom Quinn. This combined calculator was made possible via the assistance of Dr. Todd Zarwell of EyeDock.com.
A Reading Test Chart can be used to determine the lens strength (dioptre) of the reading glasses you need and a PDF chart can be downloaded here. The chart is shown below and instructions as to how to use the chart are included in the download.
Let’s find the magnification strength you need! Print this Strength Chart at actual (100%) size. 100% = 2.54 cm. Hold the chart at your desired distance (see illustration below). Read the chart (without glasses) from the top down.
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Relate optical and mechanical parameters of simple lenses in order to ease integration into application assemblies. Select index from list of EO's own optical substrates to help calculate focal lengths and principal points of any standard lens.
