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Color Blindness
Color blindness may be a hereditary condition or caused by disease of the optic nerve or retina. Acquired color vision problems only affect the eye with the disease and may become progressively worse over time. Patients with a color vision defect caused by disease usually have trouble discriminating blues and yellows.

Inherited color blindness is most common, affects both eyes, and does not worsen over time. This type is found in about 8% of males and 0.4% of females. These color problems are linked to the X chromosome and are almost always passed from a mother to her son.

Color blindness may be partial (affecting only some colors), or complete (affecting all colors). Complete color blindness is very rare. Those who are completely color blind often have other serious eye problems as well.
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Photoreceptors called cones allow us to appreciate color. These are concentrated in the very center of the retina and contain three photosensitive pigments: red, green and blue. Those with defective color vision have a deficiency or absence in one or more of these pigments. Those with normal color vision are referred to as trichromats. People with a deficiency in one of the pigments are called anomalous trichromats (the most common type of color vision problem.) A dichromat has a complete absence in one cone pigment.

SIGNS AND SYMPTOMS
The symptoms of color blindness are dependent on several factors, such as whether the problem is congenital, acquired, partial, or complete.

• Difficulty distinguishing reds and greens (most common)
• Difficulty distinguishing blues and greens (less common)
The symptoms of more serious inherited color vision problems and some types acquired problems may include:

• Objects appear as various shades of gray (this occurs with complete color blindness and is very rare)
• Reduced vision
• Nystagmus

DETECTION AND DIAGNOSIS
Color vision deficiency is most commonly detected with particular colored charts called the Ishihara Test Plates. On each plate is a number composed of colored dots. While holding the chart under good lighting, the patient is asked to identify the number. Once the color defect is identified, more detailed color vision tests may be performed.

TREATMENT
There is no treatment or cure for color blindness. Those with mild color deficiencies learn to associate colors with certain objects and are usually able to identify color as everyone else. However, they are unable to appreciate color in the same way as those with normal color vision.

The Boynton Eye Institute is a comprehensive ophthalmology practice
offering a full spectrum of vision correction and treatment services.

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The Boynton Eye Institute understands how important your vision is to your life. Whether restoring, preserving, or improving sight, our eye doctors are dedicated to optimizing your vision so you can live your best. With doctors that specialize in LASIK, cataracts, glaucoma, diabetic eye care, and cornea surgical treatments, we offer our patients an extensive range of eye care services in Boynton Beach and the surrounding areas of Lake Worth, Delray Beach, Boca Raton, Greenacres, Canyon Lakes, Palm Springs, Ocean Ridge and Aberdeen.

In addition to performing these life changing procedures, we can also help you with simple vision problems and provide preventative vision care for you and your family. Trusted by both patients and doctors, our excellent reputation speaks for itself as we strive to provide the highest quality care in a professional and compassionate environment.



Boynton Eye Institute, P.A. 2300 S. Congress Ave. Suite 102 Boynton Beach, FL 33426 Phone: (561) 742-1944 Fax: (561) 742-0525

Boynton Eye Institute P.A. proudly serves Boynton Beach and the surrounding areas of Lake Worth, Delray Beach, Boca Raton, Greenacres, Canyon Lakes, Palm Springs, Ocean Ridge and Aberdeen.

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