摘要
Noncontact slit lamp examination of the ocular fundus has been classically done using high power convex lenses like+90D,+78D,and+60D.A real and inverted image of the fundus is formed in between the high power convex lens and the slit lamp.The+20D lens is commonly used for binocular indirect ophthalmoscopy.The authors use this+20D lens
Noncontact slit lamp examination of the ocular fundus has been classically done using high power convex lenses like ＋90D, ＋78D, and ＋60D. A real and inverted image of the fundus is formed in between the high power convex lens and the slit lamp. The ＋20D lens is commonly used for binocular indirect ophthalmoscopy. The authors use this ＋20D lens for slit lamp biomicroscopy examination of the fundus.
