| direct ophthalmoscopy |
direct, close-range ophthalmoscopic observation of the fundus; the image is virtual, erect, and magnified.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| direct ophthalmoscopy |
Direct ophthalmoscopy is used more frequently by practitioners than indirect ophthalmoscopy. However, both techniques have advantages that complement each other when used together. The method is termed "direct" because a condensing lens is not interpositioned between the ophthalmoscope and the patient's eye. The examiner has a direct optical image of the patient's eye. The fundus image is real, upright and approximately about 17 to 19 times magnified in dogs and cats. ...
Ãâó: www.malamutehealth.org/eye/exam.htm
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