"Human eye and the Colorful World ": HTML5 Crossword

Across

1. Responsible for vision at low light levels (4)
3. The crystalline lens of old people becomes milky and cloudy, this condition is called (8,0)
5. An eye with both hypermetropia and myopia can be corrected using which type of lens (7,0)
11. A clear gel-like substance that occupies the space behind the lens and in front of the retina at the back of the eye (8,6,0)
13. The lens forms the image on the (6)
16. Near-sightedness is also known as (6)

Down

2. The signals from the eye reach the brain via (5,6,0)
4. Responsible for color vision (5)
6. The lens forms a real image on the retina which is (8,0)
7. The splitting of white light into its component color is known as (10)
8. The ability of the eye to adjust its focal length (13,0)
9. Transparent, watery fluid between the cornea and the crystalline lens (7,6)
10. A myopic eye can be corrected using which type of lens (7,0)
12. Light enters the eye through the (6,0)
14. A dark muscular diaphragm that controls the size of the pupil (4)
15. In hypermetropia, a person cannot see objects which are (4)