the inward or outward turning movement of the eyes in convergence or divergence
Word origin
C19: from verge2 + -ence
Examples of 'vergence' in a sentence
vergence
But individuals can have reliable outward (exo) or inward (eso) vergence errors.
Wolfgang Jaschinski 2017, 'Individual Objective and Subjective Fixation Disparity in Near Vision', PLOS ONE10.1371/journal.pone.0170190. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Change in perceived depth caused by change of the luminance contrast influences vergence movement.
Akinori Hiratani, Kazuya Matsubara, Kazumichi Matsumiya, Rumi Tokunaga, Ichiro Kuriki,Satoshi Shioiri 2012, 'P1-26: Influence of Depth from Luminance Contrast on Vergence Eye Movements', i-Perceptionhttps://doi.org/10.1068/if640. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Deficits in vergence can lead to vertigo, disequilibrium, and postural instability.
Zoï Kapoula, Chrystal Gaertner, Qing Yang, Pierre Denise, Michel Toupet 2013, 'Vergence and Standing Balance in Subjects with Idiopathic Bilateral Loss of VestibularFunction.', PLoS ONEhttp://europepmc.org/articles/PMC3688965?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The visual screening assessed visual parameters such as ocular motor alignment, accommodation, and vergence functions.
Rokiah Omar, Yau Meng Kuan, Nurul Atikah Zuhairi, Faudziah Abd Manan, Victor FeizalKnight 2017, 'Visual efficiency among teenaged athletes and non-athletes', International Journal of Ophthalmologyhttp://www.ijo.cn/en_publish/2017/9/20170920.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Inaccuracy in the vergence eye position ("fixation disparity") can occur despite a fusion stimulus.
Wolfgang Jaschinski 2018, 'Individual objective versus subjective fixation disparity as a function of forcedvergence.', PLoS ONEhttp://europepmc.org/articles/PMC6035046?pdf=render. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Convergence excess prevalence was 5.6%, and fusional vergence dysfunction was 3.3%.
Samuel Otabor Wajuihian, Rekha Hansraj 2016, 'Vergence anomalies in a sample of high school students in South Africa', Journal of Optometryhttp://www.sciencedirect.com/science/article/pii/S1888429615000850. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Only study location and age influenced some vergence anomalies.
Samuel Otabor Wajuihian, Rekha Hansraj 2016, 'Vergence anomalies in a sample of high school students in South Africa', Journal of Optometryhttp://www.sciencedirect.com/science/article/pii/S1888429615000850. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Identification and referrals are important steps toward diagnosis and treatment for vergence anomalies.
Samuel Otabor Wajuihian, Rekha Hansraj 2016, 'Vergence anomalies in a sample of high school students in South Africa', Journal of Optometryhttp://www.sciencedirect.com/science/article/pii/S1888429615000850. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)