Bumping into furniture, walls, or doorways
Hesitating before jumping or climbing
Missing jumps or misjudging distances
Not tracking moving objects with the eyes
Dilated pupils that do not respond normally to light
Cloudy, red, or abnormal-looking eyes
Walking cautiously in unfamiliar places
Startling easily when approached
Relying more on smell and hearing than sight
Avoiding bright light or seeming unable to see in dim light
Not following a toy, hand, or laser with the eyes
Changes in behavior such as increased clinginess or withdrawal
Difficulty finding food, water, litter box, or resting spots
Turning the head to use one eye more than the other
Signs of eye pain such as squinting, rubbing, or tearing