These two photos are of the same, very well fit, RGP. The first is taken using cobalt blue light with a Wratten yellow filter and fluorescein where the second is taken without the use of a Wratten filter. This lens is nicely lid-attached with a slightly superior position in primary gaze and an even aligned relationship to the cornea. The lens should move with the blink- the larger the lens, the less it will move, but a corneal lens should always have some movement.
Ophthalmic Atlas Images by EyeRounds.org, The University of Iowa are licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
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