| dichromatopsia | (noun) a deficiency of color vision in which the person can match any given hue by mixing only two other wavelengths of light (as opposed to the three wavelengths needed by people with normal color vision) | Synonyms: dichromacy, dichromasy, dichromatism, dichromia |
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| dyspepsia | (noun) a disorder of digestive function characterized by discomfort or heartburn or nausea | Synonyms: indigestion, stomach upset, upset stomach |
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| eclampsia | (noun) a toxic condition characterized by convulsions and possibly coma during or immediately after pregnancy | - |
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| hemianopsia | (noun) blindness in one half of the visual field of one or both eyes | Synonyms: hemianopia |
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| metamorphopsia | (noun) a defect of vision in which objects appear to be distorted; usually due to a defect in the retina | - |
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| polydipsia | (noun) excessive thirst (as in cases of diabetes or kidney dysfunction) | - |
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| preeclampsia | (noun) abnormal state of pregnancy characterized by hypertension and fluid retention and albuminuria; can lead to eclampsia if untreated | Synonyms: pre-eclampsia |
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| xanthopsia | (noun) visual defect in which objects appear to have a yellowish hue; sometimes occurs in cases of jaundice | - |
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| zoopsia | (noun) visual hallucination of animals; sometimes occurring in delirium tremens | - |
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