| Literature DB >> 686130 |
Abstract
The combination of a high minus setting of the ophthalmoscope and an extra positive lens in front of the patient's eye forms a Galilean telescope that increases magnification in direct ophthalmoscopy. The telescope magnification equals the ratio between objective and ocular focal lengths.Entities:
Mesh：
Year: 1978 PMID： 686130 DOI： 10.1016/s0002-9394(14)76824-2
Source DB: PubMed Journal: Am J Ophthalmol ISSN： 0002-9394 Impact factor: 5.258