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Astigmatic lens

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Read Also:

• Astigmatizer

  a cylindrical lens used in a rangefinder to draw out the point image of a point source into a line.

• Astigmatometer

  an apparatus for measuring the degree of . astigmatometer a·stig·ma·tom·e·ter (ə-stĭg’mə-tŏm’ĭ-tər) or as·tig·mom·e·ter (ās’tĭg-mŏm’ĭ-tər) n. an instrument for measuring the degree of and determining the variety of astigmatism. a·stig’ma·tom’e·try (-trē) or as’tig·mom’e·try n.

• Astigmometer

  an apparatus for measuring the degree of .

• Astigmatoscope

  an instrument for determining the presence and severity of . astigmatoscope as·tig·mat·o·scope (ās’tĭg-māt’ə-skōp’) or a·stig·mo·scope (ə-stĭg’mə-skōp’) n. an instrument for detecting and measuring the degree of astigmatism. a·stig’ma·tos’co·py (-tŏs’kə-pē) or as’tig·mos’co·py (-mŏs’kə-pē) n.

• Astigmatoscopy

  examination by means of an astigmatoscope.

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