20/50 critical line screening for children age 3 years. The flipbook begins with four 20/80 cards to familiarize child with screening task and continues with eight 20/50 cards for screening each eye monocularly.
Comes with a 5 foot cord.
20/50 critical line screening for children age 3 years. The flipbook begins with four 20/80 cards to familiarize child with screening task and continues with eight 20/50 cards for screening each eye monocularly.
Comes with a 5 foot cord.