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Latency of Papillary Reflex to Light Stimulation
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3) Original pupil size decreases with age.
4) A limited number of subjects with myopia coupled with mydriasis had relatively long latency periods.
5) One subject with a nerve conduction disease was found to have a relatively long latency period.
REFERENCES
Adler, F. H.: (1953) Physiology of the Eye. Mosby and Co., p. 195.
van Arlt, F., ]r.: (1869) Beitrag zur Kentniss der Zeitverhältnisse bei den Bewegungen der Iris. Graefe Arch. Ophthal., 15:294-317.
Baker, A. B., ed.: (1962) Clinical Neurology. New York, Hoeber-Harper, pp. 1760-61.
Bender, W. R. G.: (1933) The effect of pain and emotional stimuli and alcohol upon pupillary reflex activity. Psychol. Monogr., 44:2:1-32.
Dolének, A.: (1960) Beitrag zur Pupillographie. Ophthalmologica, 139:76-83. 8
Donders, F. C.: (1864) On the anomalies of accommodation and refraction of the eye. The New Sydenham Soc. London, 22:573-583.
Duke-Elder, Sir S. W.: (1949) Textbook of Ophthalmology, Vol. IV, pp. 371-376.
Fuchs, A.: (1903) Die Messung der Pupillengrösse und Zeitbestimmung der Licht-reaktion der Pupillen bein einzelnen Psycho sen und Nerven-krankheiten. Jahrbrücher Psychiat., 24:326-458.
Gradle, H. S. and Eisendraht, E. B.: (1923) Die Reaktionszeit der normalen Pupille. Vorlaufige Mitt. Hbl. Augenheilk., 71:311.
King, G. W.: (1959) Recording pupil changes for clinical diagnosis. Electronics, 32:67.
Kumnick, L. S.: (1956) Aging and the latency and duration of pupil constriction in response to light and sound stimuli. J. Geront., 11:391.
Listing, J. B.: () Beitrag zur Physiologischen Optik. Besonderen Abdruck, aus d. Göttingen Studien; quoted after Loewenfeld.
Loewenfeld, I. E. and Lowenstein, O.: Personal communications.
Lowenstein, O. and Loewenfeld, I. E.: (July 1959) Scoptic and photopic thresholds of the pupillary light reflex in normal man. Amer. J. Ophthal., 48:1, Part II.
Lowenstein, O. and Loewenfeld, I. E.: (1958) Electronic pupillography. A new instrument and some clinical applications. Arch. Ophth. (New York), 59:353-363.
Morone, G.: (1948) Ricerche pupillografiche nell'abbagliamento. Boll. oculist, 27:639-652.
Acknowledgement: We are indebted to Miss Anne Alderman for her assistance in compiling the statistical data.
