Premium
Pupil reactions in children with strabismic amblyopia in dependence of deviation value
Author(s) -
BOYCHUK IM,
BUSHUEVA NN,
ROMANENKO DV,
SLOBODYANIK SB
Publication year - 2008
Publication title -
acta ophthalmologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.534
H-Index - 87
eISSN - 1755-3768
pISSN - 1755-375X
DOI - 10.1111/j.1755-3768.2008.439.x
Subject(s) - pupil , strabismus , heterophoria , medicine , ophthalmology , absolute deviation , standard deviation , pre school , optometry , audiology , mathematics , psychology , optics , developmental psychology , physics , statistics
Purpose To reveal the difference between pupil reactions in amblyopic children with and without menifest deviation Methods 51 patient with amblyopia aged 7‐12 y.o. were examined on the elaborated upillography device. There were 22% with amblyopia of high degree (average visual acuity and 64% of low and 14% of middle degree. Children had hypermetropic refraction;central monocular fixation in 27,eccentric in 18 cases. 32% of cildren had strabismus of different kind others had no manifest deviation (68%). The changes of pupil parameters during investigation of direct and consensual reaction on flashlight test and accommodative‐convergence response were conducted. With the help of elaborated device and corresponding software for pupillography method and STATISTICA for Windows 98. Results The significant difference was found in groups with and without manifest strabismus during direct fleshligh, the amplitude was larger in those who had manifest viation. The amplitudes of pupil constriction in consensual reaction on flesh light test were also larger in amblyopic patients without deviation, P<0,05. Latencies of pupil striction was almost equal on both eyes in patients without deviation but were significantly different in those, who had manifest deviation. After accommodative‐convergence response average value of pupil recovery was larger in patients without deviation in comparison with. Conclusion Patients without manifest deviation have disorders in reaction of pupil to direct flesh light test and accommodative response on the near object. Patients with deviation have consensual pupil reaction disorders that indicate on involvement of afferent but and efferent pathways of eye motility in such cases.