Step 1 : Introduction to the question "9. What kind of 'cat' may have difficulty seeing things?"
...1. Cataract 2. Catarrhine 3. Cataphract 4. Catalan Cataracts occur when the lens becomes opaque, preventing the passage of light into the eyes. Interestingly, a cataract is also a name for a large waterfall. On the other hand, a cataphract is an armored cavalry horse or a fully armoured soldier, a catarrhine is a kind of monkey and a catalan is a resident of Catalonia in Spain.
