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Across 1. Most common type of color vision defect, consisting of 5% of the white male population 6. True black-and-white color blindness with 20/20 acuity 7. Color vision defect caused by nuclear sclerotic cataracts 9. Color for which deutans may mistake a green light 11. A patient who has four distinct cone photopigments

Down 2. Type of inheritance for genetic tritan color vision defects 3. Color for which protrans may mistake a red light 4. Outer retinal disease can result in this kind of color vision defect 5. The basis of the crossovers on a color deficient patient's D-15 results 6. The common origin of a set of confusion lines on the CIE diagram 8. Type of sunglass tint that makes rod monochromats most comfortable 10. Rebound chromatopsia following cataract extraction