Medical Definition of Ramsden circle

1. The circular spot of light formed at that distance above the eyepiece where the chief image forming rays cross, the back focal plane of the eyepiece. The objective back focal plane is in conjugate focus in this same plane. In visual microscopy, the point where the pupil of the eye is placed. (05 Aug 1998)

Lexicographical Neighbors of Ramsden Circle

Ramist
Ramists
Ramman
Ramon Lully
Ramon y Cajal
Ramona
Ramos gin fizz
Ramphastidae
Ramphomicron
Ramsar
Ramsay
Ramsay Hunt
Ramsay Hunt's syndrome
Ramsay Hunt syndrome
Ramsden's ocular
Ramsden circle (current term)
Ramsden disk
Ramsden eyepiece
Ramses
Ramses II
Ramses the Great
Ramsey
Ramsey theory
Ramsgate
Ramsons
Ramstedt operation
Rana cascadae
Rana clamitans
Rana goliath
Rana palustris

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