After observing the fourth year students in clinic (white coats pressed and 20 minute exams including DFE), the first thought that comes to your mind is, “Wow, I want to be just like that when I grow up!” They look, speak and walk as an optometrist should; and it can be intimidating. Don’t forget, they …
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Distance PD is the distance between the pupils when viewing a distant target. Near PD is the distance between the pupils when viewing a near target. Near Centration Distance (CD) is the distance between the visual axes in a spectacle plane when viewing a near target. Near PD is actually impossible to measure unless you …
Lensometry What is lensometry? A lensometer measures vergence and prism power amongst other aspects of a lens. If a patient presents a pair of spectacles to you and does not know the Rx of the lenses, a lensometer will enable you to determine the sphere, cylinder, axis, and prism present in each lens. It can …
Update 06-13-17: Check out our refreshed Ret article on how to “Step Up Your Retinoscopy Skills” This is a ‘How-To’ article for retinoscopy and it is especially useful for first-year optometry students. For pre-optometry students or optometry who are unfamiliar with the technique please check out the link to the simulator at the …
