Clinical services available within the Division include orthoptics, aphakic contact lenses, electroretinography, visual evoked potential, ultrasonography, non-invasive functional visual testing, and complete ocular photography.    From Wordnik.com.  [Ophthalmology Fellowship] Reference

Immersion and direct contact scanning is provided with cataract, dense cataract, aphakic, pseudophakic and 4-gate manual modes.    From Wordnik.com. Reference