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This beautiful monograph covers an area of the eye and of ophthalmic scholarship known to few researchers and to even fewer clinicians. It introduces the technique of indentation biomicroscopy, a new method of examination for studying the retinal periphery, the pars plana, the ciliary body, and the vitreous base.
Use of indentation without biomicroscopy allows the region of the ora and the pars plana to be seen in low magnification with the indirect ophthalmoscope when this zone is brought into view by scleral depression. This region can be seen in high magnification with the biomicroscope (without a corneal contact prism) when a very large separation of the choroid from the sclera pushes the retinal periphery into the zone of a widely dilated pupil. The first biomicroscopic view of the pars plana and the vitreous base is an exciting revelation to any ophthalmologist.
At the present time, only a few younger
A. H. Biomicroscopy of the Peripheral Fundus: An Atlas and Textbook. Arch Ophthalmol. 1975;93(7):544. doi:10.1001/archopht.1975.01010020560024