| | Conditions Treatments | Eye Vision Disorders What colors can blind people not see? The answer is all colors. Blindness is the condition of lacking the ability to see. A blind person cannot see any colors. Eye Vision Disorders - Related Articles Cures for Mental Depression How to Use Homeopathy to Manage OCD Nationally Accredited Massage Therapy Schools What does the medical abbreviation PMD mean? Internet-Based Bulimia Therapy Hypnotherapy Training About Hair Loss Due to Improper Thyroid Function