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Diseases » Color blindness » Glossary
 

Glossary for Color blindness

  • Achromatopsia: Patients who have achromatopsia (sometimes called achromatopia) do not have normal "cone vision.". Although the term may refer to acquired disorders such as color agnosia and cerebral achromatopsia, it typically refers to an autosomal recessive congenital color vision disorder, the inability to perceive color AND to achieve satisfactory visual acuity at high light levels (typically exterior daylight).
  • Aging: The medical conditions from getting older.
  • Alcoholism: Alcoholism is the compulsive urge to drink alcohol despite knowing the negative impact on one's health.
  • Blue cone monochromatism: A genetic eye disorder where the S cones function normally but the L and M cones don't resulting in poor color vision.
  • Cataracts: Cloudy areas on the eye's cornea interfering with vision.
  • Central serous chorioretinopathy: A rare eye disorder where fluid collects under the retina which affects vision. The condition usually resolves itself within 6 months though most people suffering lingering vision disturbances such as distortion, reduced sensitivity to contrast, impaired night vision and reduced color vision.
  • Chylomicron Retention Disease: A rare condition characterized by the inability of the intestines to absorb fats from the diet which cause failure to thrive in infants.
  • Cone rod dystrophy -- amelogenesis imperfecta: A rare genetic disorder characterized by degeneration of parts of the eye that absorb light (cone rod dystrophy) as well as teeth abnormalities.
  • Deuteranopia: A type of altered vision with a confusion of greens and reds
  • Dichromasy: Defective colour vision
  • Eye and vision conditions: Medical conditions affecting the eyes or the vision systems.
  • Eye conditions: Any condition that affects the eyes
  • Forsius-Eriksson syndrome: A rare inherited disorder characterized by reduced eye pigmentation and various eye problems. The disorder is inherited in a familial X-linked manner so only males manifest the symptoms whereas females may be asymptomatic or suffer mild symptoms.
  • Head Conditions: Conditions that affect the head
  • Kallmann Syndrome: A rare inherited condition characterized by hypogonadism, eunuchoidism and impaired or absent sense of smell. The condition occurs as a result of failure of a part of the hypothalamus which results in hormonal imbalance.
  • Kwashiorkor: A malnutrition state that is produced by severe protein deficiency
  • Multiple Sclerosis: Autoimmune attack on spinal nerves causing diverse and varying neural problems.
  • Protanopia: The inability to see all four primary colours rather limited to seeing blu and yellow
  • Red-green color blindness: Inability to distinguish red and green colors.
  • Retina Conditions: Any condition that affects the retina of the eye
  • Retina symptoms: Symptoms affecting the retina in the back of the eye
  • Retinohepatoendocrinologic syndrome: A rare inherited disorder characterized mainly by eye, liver and endocrine function abnormalities.
  • Sialidosis type 1: A rare inherited condition where deficiency of an enzyme called neuraminidase results in epilepsy, ataxia and vision problems as well as characteristic cherry red spots in the macula of the eye. Symptoms may be exacerbated by factors such as smoking and menstrual cycles.

 

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