Condition
Color Vision Deficiency (Color Blindness): Causes and Living Well
Color vision deficiency (commonly called color blindness) occurs when the cone photoreceptors in the retina do not function normally. Most people are not completely blind to color but have difficulty distinguishing certain hues, especially reds and greens.
Video Overview
Color Vision Deficiency (Color Blindness): Causes and Living Well
Symptoms
Difficulty distinguishing red from green (most common form)
Confusion between blue and yellow hues
Colors look washed out or less vibrant
Trouble reading color-coded maps, charts, or traffic signals
Difficulty picking out ripe fruit or reading certain food labels
Complete inability to see color (achromatopsia — very rare)
Causes
Inherited X-linked gene mutation (affects 8% of men, 0.5% of women)
Damage to cone photoreceptors in the retina
Age-related macular degeneration affecting cone function
Glaucoma damaging optic nerve color pathways
Medications (hydroxychloroquine, digoxin) affecting retinal cells
Nutritional deficiencies, especially vitamin A
Treatments
No cure for inherited color blindness, but management is possible
Specially tinted glasses (EnChroma) to enhance color contrast
Smartphone apps with color identification filters
Occupational accommodations and workplace adaptations
Vision therapy can help with some acquired cases
Regular monitoring if caused by treatable disease
Genetic counseling for families
Need Professional Evaluation?
If you're experiencing symptoms or have concerns about your eye health, schedule an appointment with KSA Vision Clinic for a comprehensive examination.
Book AppointmentAvailable 24/7
Still Have Questions?
Chat with KAISA 2.0, KSA's AI-powered assistant, for instant answers about eye health. Powered by ElevenLabs and backed by KSA's clinical knowledge base, KAISA is available 24/7 for consultations and guidance.