How to diagnose collie eye in shelties<br>Test your dog's eyesight. If you want to know if your sheltie has cea, then test his eyesight. In mild cases, your dog may be able to see well enough to cope.
You do not need to test your dog's eye sight for collie eye
( z1 need :polarity - :ARG0 ( z2 you ) :ARG1 ( z3 test :ARG0 z2 :ARG1 ( z4 see :ARG0 ( z5 dog :poss z2 ) :ARG1 ( z6 eye :part-of z2 ) ) :ARG2 ( z7 eye :part-of ( z8 collie ) ) ) )