As with regular sight, colour blindness may become more of a problem with age. I'm not sure what you mean by not 100%.. Colour blindness does have varying effects, like green may look exactly like red or orange is blue, but it isn't usually a matter of them seeing things in black and white. only know that of him and his brother, his colour blindness is worse. No, colour deficiency as it is called these days does not become worse with age. If he has good vision, he will not be totally colour blind (these people are usually registered blind).
The exact definition of a vegetable may vary simply because of the many parts of a plant consumed as food worldwide â roots, tubers, bulbs, corms, stems, leaf stems, leaf sheaths, leaves, buds, flowers, fruits and seeds.
Cruciferous vegetables. Cruciferous vegetables are vegetables of the family Brassicaceae (also called Cruciferae) with many genera, species, and cultivars being raised for food production such as cauliflower, cabbage, garden cress, bok choy, broccoli, brussels sprouts and similar green leaf vegetables.