[Direct ophthalmoscopy] Not as bright; not useful in hazy media [Indirect ophthalmoscopy] Bright; useful for hazy media [Features] 
Illumination
C o n d e n s i n g l e n s
E x a m i n a t i o n d i s t a n c e
I m a g e
I l l u m i n a t i o n
A r e a o f f i e l d i n f o c u s
S t e r e o p s i s
A c c e s s i b l e f u n d u s v i e w
E x a m i n a t i o n t h r o u g h h a z y m e d i a