Convergence Insufficiency - Symptoms

Symptoms

The symptoms and signs associated with convergence insufficiency are related to prolonged, visually demanding, near-centered tasks. They may include, but are not limited to, diplopia (double vision), asthenopia (eye strain), transient blurred vision, difficulty sustaining near-visual function, abnormal fatigue, headache, and abnormal postural adaptation, among others. Note that some Internet resources confuse convergence and divergence dysfunction, reversing them.

Read more about this topic:  Convergence Insufficiency

Famous quotes containing the word symptoms:

    “Protest, evasion, merry distrust, and a delight in mockery are symptoms of health: everything unconditional belongs in pathology.”
    —Friedrich Nietzsche (1844–1900)

    “Social movements are at once the symptoms and the instruments of progress. Ignore them and statesmanship is irrelevant; fail to use them and it is weak.”
    —Walter Lippmann (1889–1974)

    “Not being a K.N. [Know-Nothing] I am left as a sort of waif on the political sea with symptoms of a mild sort towards Black Republicanism.”
    —Rutherford Birchard Hayes (1822–1893)