Biomedical Engineering Reference
In-Depth Information
Fig. 5 A normal slit lamp examination using the technique of optical section to
examine the anterior segment of a normal New Zealand white rabbit
Fig. 6 Multiple anterior cortical suture opacities/cataract are noted (arrow)ina
beagle in pretest examination
larger species and a 40 or a 60 diopter works best for rats and mice.
The addition of a 20 diopter and/or a 15 diopter lens may be
advised for higher magnification of the fundus in the canine and
to examine the fovea and optic nerve in greater detail in NHPs.
Alternately, a direct ophthalmoscope (Fig.
13
) can be used to
examine the optic nerve head and fovea in NHPs, but given its
small field and monocular view, it is less than optimal in the author's
opinion. In addition, when performing direct ophthalmoscopy any
