Peer-reviewed Publications

• Upadhyaya S, and Das, V. E. Response properties of cells within the rostral Superior Colliculus of strabismic monkeys. Invest Ophthalmol Vis Sci (IOVS) 2019, Vol.60, 4292-4302.

• Upadhyaya S, Meng H and Das V.E. Electrical stimulation of Superior Colliculus affects strabismus angle in monkey model for strabismus. J Neurophysiol 2017; 117:1281-92.

• Upadhyaya S, Pullela M, Ramachandran S, Adade S, Joshi A.C. and Das, V. E. Fixational saccades and their relation to fixation instability in strabismic monkeys. Invest Ophthalmol Vis Sci (IOVS) 2017, Vol.58, 5743-5753.

• Shrestha G, Upadhyaya S, Sharma A and Gajurel B. Ocular-visual defect and visual neglect in stroke patients – A report from Kathmandu, Nepal. Journal of Optometry 2012; 5, 43-49

Invited Scientific and Public Talks

• Upadhyaya, S. “Eye movements during learning” Midwestern University Research Seminar Internal Series, March 2023.

• Upadhyaya, S. “Optometric research at a cellular level” 17/18th Annual World Congress of The Society of Brain Mapping and Therapeutics (SBMT), Los Angeles, California, 2021

• Upadhyaya, S. “Eye as an window to brain” Research Seminar lecture at Midwestern University, 2021

• A Chakraborty, M Curtis, J Abunada, K Hall, S Upadhyaya, A Chow, A Silva, B Thompson. “Perceptual learning for peripheral attentive motion tracking transfers to the untrained hemifield and related tasks” The Association for Research in Vision and Ophthalmology (ARVO), IOVS, 61 (8), 3509-3509, 2020

• Thapa HB, Upadhyaya S, and Chakraborty A. Status of refractive errors and binocular vision in children with Down syndrome. Nepal ophthalmology conference, 2019

• Upadhyaya S. A step closer to understanding strabismus. TED-like Talk at the 3rd Annual Graduate Research and Scholarship Project Day at University of Houston, 2017

• Upadhyaya S, Meng H and Das V.E. Role of Superior Colliculus in maintaining static misalignment in strabismic monkeys. Gordon Research Seminar: Eye Movements (GRS), Lewiston, 2017

• Upadhyaya S, Pullela M, Ramachandran S, Adade S, Joshi A.C. and Das, V. E. Effect of target parameters on fixational saccades in strabismic monkeys. The Association for Research in Vision and Ophthalmology (ARVO), Baltimore, IOVS, 58 (8), 3441-3441, 2017

• Upadhyaya S, Meng H and Das V.E. Electrical Stimulation of rostral Superior Colliculus affects strabismus angle in monkey model for strabismus. ARVO, Seattle, IOVS, 57 (12), 2016

• Upadhyaya S, Guest Speaker in Symposium on “Refractive error, its correction and Optical Dispensing” Supported by The Fred Hollows Foundation Organized by Tilganga Institute of Ophthalmology and Nepal Ophthalmic Assistant Society, Kathmandu, Nepal, 2012

Poster Presentations

• Upadhyaya S, Chakraborty A, Schimmelbusch K. “Effect of transcranial direct current stimulation of cerebellum on oculomotor parameters of normal adults”. The Association for Research in Vision and Ophthalmology (ARVO), Seattle, 2024

• Nadarajah V, Prestwich C, Upadhyaya S. “Retrospective Study of Progression in Axial Length Among Myopia Control Managements in a Real World Setting”. American Academy of Optometry (AAO) Annual Meeting, New Orleans, 2023

• Deligio D, Nadarajah V, Upadhyaya S, Farhat SD, Vasudevan B. “Performance of Lehfilcon A Sphere in Current Comfilcon A Sphere Wearers”. American Academy of Optometry (AAO) Annual Meeting, New Orleans, 2023

• Upadhyaya S, Syeda H, Madani K, Lahnichi H., Munir B., Patel D. “Screen Time and Convergence Insufficiency Among Students.” American Academy of Optometry (AAO) Annual Meeting, New Orleans, 2023

• Choudhry R, Chiu C, Kung Y, Lee Y, Nadarajah V, Upadhyaya, S. “Effects of scleral piggyback system on normal corneas”. American Academy of Optometry (AAO) Annual Meeting, Boston, 2021

• Tulemat H., and Upadhyaya S. Does short-term monocular deprivation induces plasticity in the oculomotor system? Poster presentation at Association for Research in Vision and Ophthalmology Annual Meeting, April 2023

• Schimmelbusch K., Upadhyaya S., Weiler M., Nguyen A., and Kazkaz Y. Oculomotor behavior while diagnosing retinal images. Poster presentation at Association for Research in Vision and Ophthalmology Annual Meeting, April 2023

• Upadhyaya S. Laterality awareness of fundus images. Poster presentation at American Academy of Optometry Annual Meeting, October 2022

• Conroy J., Upadhyaya S., and Nadarajah V. Reliability, Repeatability, and Reproducibility of Oculus Keratograph 5M Non-Invasive Tear Break-Up Time at Midwestern University Eye Institute (MWUEI). Poster presentation at American Academy of Optometry Annual Meeting, October 2022

• Choudhry R. Kung Y. Chiu C. Lee Y. Upadhyaya S. Nadarajah V. “Effects of a Scleral Lens Piggyback System on the Normal Cornea.” Poster presented at the American Academy of Optometry Annual Meeting, November 2021.

• Nadarajah V, Upadhyaya S, and Chakraborty A. “Could a modified piggyback system be a line of care for patients with peripheral iridotomy and degenerative myopia?”, Global speciality lens symposium (GSLS), 2020

• Upadhyaya S, and Das, V. E. Superior colliculus, strabismus, and its relation to fixation stability. Vision Science Day, Indianan University, Bloomington, IN, 2019

• Warren S, May P.J., Horn A.K., Upadhyaya S, and Das V.E. Projection of the Superior Colliculus to the supraoculomotor area in macaque monkeys. Society of Neuroscience(SfN), San Diego, CA, 2018

• Upadhyaya S, and Das, V. E. Properties of misalignment cell in rostral superior colliculus of a strabismic monkey. The Association for Research in Vision and Ophthalmology (ARVO), Honolulu, Hawaii, 2018

• Upadhyaya S, Meng H and Das V.E. Role of Superior Colliculus in maintaining static misalignment in strabismic monkeys. Gordon Research Conferences: Eye Movements (GRC), Lewiston, 2017

• Pullela M, Upadhyaya S, Ramachandran S, Adade S, Joshi A.C. and Das, V. E. Effect of target parameters on fixational saccades in normal monkeys. ARVO, IOVS, 58 (8), 751-751, 2017

• Upadhyaya S, Kaphle D and Reading A. Pattern of ocular morbidity in Malawi. American Academy of Optometry (AAO) Annual Meeting, Denver, 2014

• Upadhyaya S, Candy D and Yu-Lao J. A case of bilateral simultaneous two stages laser-assisted in situ keratomileusis in a presbyope. 19th Asia Pacific Optometric Conference (APOC) Seoul, Korea, Clinical, and Experimental Optometry 97 (4), e47-e48, 2013

• Upadhyaya S and Kandel H. Visual functions in orphans of Nepal. 19th APOC, Seoul, Korea, Clinical and Experimental Optometry 97 (4), e47, 2013

• Upadhyaya S, Shrestha G, Sharma A and Gajurel B. Visual neglect in stroke. 18th APOC, Singapore, Clinical and Experimental Optometry 95 (4), e31, 2011