Vision through various scuba facemasks.
D004215:Distance Perception; D004242:Diving; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008397:Masks; D055095:Optics and Photonics; D012858:Size Perception; D013028:Space Perception; D014785:Vision, Ocular; D014792:Visual Acuity; D014794:Visual Fields