Mammoth Cave is home to the endangered Kentucky cave shrimp, a sightless albino shrimp. Mrs. Lawton developed an incurable ocular illness that left her totally sightless. The nearly sightless eyes are embedded deep in the gelatinous tissue of their head. Some shotgunners use sightless BB rifles to train in instinctive shooting. And Modi, the gifted ophthalmologist, dedicated his life to the sightless. Ears and mouths they had, but two at least of them were sightless. Even as a teenager, Wilson was nearly sightless in his left eye. Louise and Henriette are a pair of orphaned sisters, innocent and sightless. The film opens and closes with close-ups of a sightless eye. Tui successfully recruits Rot Lop Fan who has no concept of 'color', being sightless. Sightless is sloppy and noisy when eavesdropping, and is nearly caught by The Claw. Starting in 1933 Smith was president of the Utah Society for the Sightless. The sightless German fired his gun several times, hitting another SS-Soldier, killing him.