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  2. Accommodative insufficiency - Wikipedia

    en.wikipedia.org/wiki/Accommodative_insufficiency

    Accommodative insufficiency (AI) involves the inability of the eye to focus properly on an object. Accommodation is the adjustment of the curvature of the lens to focus on objects near and far. In this condition, amplitude of accommodation of a person is lesser compared to physiological limits for his age. [1]

  3. Convergence insufficiency - Wikipedia

    en.wikipedia.org/wiki/Convergence_insufficiency

    Convergence insufficiencyis a sensory and neuromuscular anomaly of the binocular visionsystem, characterized by a reduced ability of the eyesto turn towards each other, or sustain convergence. Symptoms. [edit] The symptoms and signs associated with convergence insufficiency are related to prolonged, visually demanding, near-centered tasks. They ...

  4. Chronic venous insufficiency - Wikipedia

    en.wikipedia.org/wiki/Chronic_venous_insufficiency

    Chronic venous insufficiency ( CVI) is a medical condition in which blood pools in the veins, straining the walls of the vein. [1] The most common cause of CVI is superficial venous reflux which is a treatable condition. [2] As functional venous valves are required to provide for efficient blood return from the lower extremities, this condition ...

  5. Tricuspid regurgitation - Wikipedia

    en.wikipedia.org/wiki/Tricuspid_regurgitation

    Tricuspid regurgitation. Tricuspid regurgitation ( TR ), also called tricuspid insufficiency, is a type of valvular heart disease in which the tricuspid valve of the heart, located between the right atrium and right ventricle, does not close completely when the right ventricle contracts ( systole ). TR allows the blood to flow backwards from ...

  6. List of ICD-9 codes 390–459: diseases of the circulatory ...

    en.wikipedia.org/wiki/List_of_ICD-9_codes_390...

    Diseases of veins and lymphatics, and other diseases of circulatory system (451–459) 451 Phlebitis and thrombophlebitis. 451.1 Of deep vessels of lower extremities. 451.11 Deep vein thrombosis, femoral. 451.19 Deep vein thrombosis, other leg veins. 451.8 Of other sites. 451.82 Phlebitis, superficial veins, upper extrem.

  7. International Classification of Diseases - Wikipedia

    en.wikipedia.org/wiki/International...

    The International Classification of Diseases, Clinical Modification (ICD-9-CM) was an adaptation created by the US National Center for Health Statistics (NCHS) and used in assigning diagnostic and procedure codes associated with inpatient, outpatient, and physician office utilization in the United States. The ICD-9-CM is based on the ICD-9 but ...

  8. Pulmonary regurgitation - Wikipedia

    en.wikipedia.org/wiki/Pulmonary_regurgitation

    Pulmonary regurgitation. Pulmonary (or pulmonic [4]) regurgitation (or insufficiency, incompetence) is a condition in which the pulmonary valve is incompetent [5] and allows backflow from the pulmonary artery to the right ventricle of the heart during diastole. [6] While a small amount of backflow may occur ordinarily, it is usually only shown ...

  9. Dry eye syndrome - Wikipedia

    en.wikipedia.org/wiki/Dry_eye_syndrome

    Ciclosporin, steroid eye drops [ 2] Frequency. ~20% [ 5] Dry eye syndrome, also known as keratoconjunctivitis sicca, is the condition of having dry eyes. [ 2] Symptoms include dryness in the eye, irritation, redness, discharge, blurred vision, and easily fatigued eyes. Symptoms range from mild and occasional to severe and continuous. [ 3]