metronoscope

me·tron·o·scope

(mĕ-tron'ō-skōp),
A tachistoscopic apparatus that exposes at timed intervals short selections of printed matter for reading; used in testing and developing reading speed.
[G. metron, measure, + skopeō, to view]

metronoscope

(mĕ-trŏn′ō-skōp)
A device for exposing written material to the eye at timed intervals in order to facilitate development of reading skills and speed.
References in periodicals archive ?
In 1931, Earl and Taylor developed 2 devices, called "Ophthalmograph" and "Metronoscope," that enable accurate recording of eye movements, and above all, of saccades and fixations [1].