ocular micrometer


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oc·u·lar mi·cro·me·ter

a glass disk that fits in a microscope eyepiece and that has a ruled scale; when calibrated with a slide micrometer, direct measurements of a microscopic object can be made.
References in periodicals archive ?
Measurements were done using an ocular micrometer in a stereoscopic microscope at a magnification of 15X.
Oocysts were measured using a calibrated ocular micrometer and are reported in micrometers as means, followed by the ranges in parentheses.
Measurements were made using a calibrated ocular micrometer and are reported in micrometers as means, followed by the ranges in parenthesis.
Twenty-five parasites were used for each measurement, which were made with a calibrated ocular micrometer and are presented as means in micrometers ([micro]m), followed by the ranges in parentheses.