Research publications

Selected Articles (peer-reviewed)

Irving EL, Harris JD, Machan CM, Robinson BE, Hrynchak PK, Leat SJ, Lillakas L. Value of routine eye examinations in asymptomatic patients. Optom Vis Sci.  Apr. 7, 2016. Epub ahead of print. PMID: 27058591

Irving EL, Sivak JG, Callender MG. Refractive plasticity of the developing chick eye: A summary and update. Ophthalmic Physiol Optics 2015 Nov;35(6):600–6. doi: 10.1111/opo.12253. Invited paper.

Hathibelagal A, Leat SJ, Irving EL, Nandakumar K, Eizenman M. Measuring infant visual acuity with gaze tracker monitored visual fixation. Optom Vis Sci. 2015;92(7):82333. doi: 10.1097/OPX.0000000000000613.

Babu RJ, Leat SJ, Irving EL. Effect of Age and pop out distractor on attended field of view. J Optom. Oct-Dec;7(4):229–37. doi: 10.1016/j.optom.2014.02.004

Sreenivasan V, Irving EL, Bobier WR. Can current models of accommodation and vergence predict accommodative behavior in myopic children? Vision Res. 2014 Aug;101:51–61 doi: 10.1016/j.visres.2014.05.008

Hrynchak PK, Mittlestaedt A, Machan CM, Bunn C, Irving EL. Increase in myopia prevalence in clinic-based populations across a century. Optom Vis Sci. 2013 Nov;90(11):1331–41.

Smith III EL, Campbell MCW, Irving EL. Does peripheral retinal input explain the promising myopia control effects of corneal reshaping therapy (CRT or ortho-K) & multifocal soft contact lenses? Ophthal Physiol Opt 2013; 33(3): 379–384

Leat SJ, Chan LL, Maharaj P-D Hrynchak PK, Mittlestaedt A, Machan CM, Irving EL. Binocular vision and eye movement disorders in older adults. Invest Ophthalmol Vis Sci. 2013 May 31;54(5):3798–805. doi: 10.1167/iovs.12-11582.

Machan CM, Lillakas L, Hrynchak PK, Mittlestaedt A, Irving EL. Eye examinations improve visual acuity across ages. Can J Ophthalmol 2013 Aug;48(4):286–91. doi: 10.1016/j.jcjo.2013.04.002.

Woods J, Guthrie, SE, Keir N, Dillehay S, Tyson M, Griffin R, Choh V, Fonn D, Jones L. Irving EL. Inhibition of defocus-induced myopia in chickens. Invest Ophthalmol Vis Sci. 2013 Apr 12;54(4):2662–­8. doi: 10.1167/iovs.12-10742.

Genest R, Chandrashekar N, Irving EL. Finite element model of the chick eye to study myopia. J Med Biol Eng. 2012;33(2):215–220.

Campbell MCW, Bunghardt K, Kisilak ML, Irving EL. Diurnal rhythms of spherical refractive error, optical axial length, and power in the chick. Invest Ophthalmol Vis Sci. 2012;53:6245–53.

Sreenivasan V, Irving EL, Bobier WR. Effect of heterophoria type and myopia on accommodative and vergence responses during sustained near activity in children. Vision Res. 2012;57:9–17.

Chandrashekar N, Genest R, Irving EL. The effect of intraocular pressure on chick eye geometry and its application to myopia. Acta Bioeng Biomech. 2012;14(2):3–8.

Machan CM, Hrynchak PK, Irving EL. Age-related cataract is associated with type 2 diabetes and statin use. Optom Vis Sci. 2012;89(8):1165–71.

Kisilak ML, Bunghardt K. Hunter JJ, Irving EL, Campbell MCW. Longitudinal in vivo imaging of cones in the alert chicken. Optom Vis Sci. 2012;89(5):644–51.

McMahon TT, Irving EL, Lee C. Accuracy and precision for self measurement of interpupillary distance. Optom Vis Sci. 2012;89(6):901–7.

Allison RS, Irving EL, Babu R, Lillakas L, Guthrie SI, Wilcox LM. Visibility of Color Breakup Phenomena in Displays based on Narrowband Spectral Sources. Journal of Display Technology. 2012;8(4):186–93.

Hrynchak PK, Mittelstaedt AM, Harris J, Machan CM, Irving EL. Modifications made to the refractive result when prescribing spectacles. Optom Vis Sci. 2012;89(2):155–60.

Leat SJ, Mittelstaedt A, McIntosh SE, Machan CM, Hrynchak PK, Irving EL. Prescribing for hyperopia in children in a university optometry clinic. Optom Vis Sci, 2011;88(11):1333–42.

Sreenivasan V, Irving EL, Bobier WR. Effect of near adds on the variability of accommodative response in myopic children. Ophthal Physiol Opt. 2011;31(2):145–54.

Machan CM, Hrynchak PK, Irving EL. Waterloo Eye Study: data abstraction and population representation. Optom Vis Sci. 2011;88(5):613–20.

Irving EL, Gonzalez EG, Lillakas L, Wareham J, McCarthy T. Effect of stimulus type on the eye movements of children. Invest Ophthalmol Vis Sci. 2011;52(2):658–64.

Hrynchak, PK, Herriot, C, Irving, EL. Comparison of alternate cover test reliability at neat in non-strabismus between experienced and novice examiners, Ophthalmic Physiol Opt. 2010;30(3):304–9.

Sreenivasan V, Irving EL, Bobier WR Binocular adaptation to +2D lenses differs between myopic and emmetropic school aged children. Optom Vis Sci 2009;86(6):731–40.

Irving EL, Tajik-Parvinchi DJ, Lillakas L, González EG, Steinbach MJ, Mixed Pro and Antisaccade Performance in Children and Adults. Brain Res 2009;1255:67–74.

Sreenivasan V, Irving EL, Bobier WR, Binocular adaptation to near addition lenses in emmetropic adults. Vision Res 2008;48(10):1262–9.

Suryakumar R, Meyers JP, Irving EL, Bobier WR. Vergence accommodation and monocular closed loop blur accommodation have similar dynamic characteristics. Vision Res. 2007;47(3):327–37.

Suryakumar R, Meyers JP, Irving EL, Bobier WR. Application of video based technology for the simultaneous measurement of accommodation and vergence. Vision Res. 2007;47(2):260–8.

Murray K, Lillakas L, Weber R, Moore SE, Irving EL. Development of head movement propensity in 4-15 year old children in response to visual step stimuli. Exp Brain Res. 2007;177(1):15–20.

Irving EL, Steinbach MJ, Lillakas L, Babu RJ, Hutchings N. Horizontal saccade dynamics across the human life span. Invest Ophthalmol Vis Sci. 2006;47(6):2478–84.

Kisilak ML, Campbell MC, Hunter JJ, Irving EL, Huang L. Related Articles, Links Aberrations of chick eyes during normal growth and lens induction of myopia. J Comp Physiol A Neuroethol Sens Neural Behav Physiol. 2006;192(8):845–55.

Babu RJ, Lillakas L, Irving EL. Dynamics of Saccadic Adaptation: Differences between Athletes and Non-athletes. Optom Vis Sci, 2005;82:1060–5

Irving EL, Arshinoff SA,  Samis W, Lillakas L, Lui B, Taylor J, Steinbach MJ Retrobulbar injection of lidocaine: is there an effect on saccadic velocities? J Cataract Refract Surg 2004;30:350–6.

Irving EL, Zacher JE, Allison RS, Callender ME. The effects of scleral search coil wear on visual function. Invest Ophthalmol Vis Sci 2003;44:1933–8.

Curry TA, Sivak JG, Callender MG, Irving EL.  Afocal magnification does not influence Chick Eye Development. Optom Vision Sci 1999;76(5):316–9.

Irving EL, Goltz HC, Steinbach MJ, Kraft SP. Vertical latent nystagmus and vertical saccadic asymmetries in subjects with dissociated vertical deviations. J Am Assoc Ped Ophthalmol Strabismus 1998;2:344–50.

Irving EL, Goltz HC, Steinbach MJ, Kraft SP. Objective eye movement recording: a tool in diagnosis of dissociated vertical deviation. Binocul Vis Strabismus Q. 1997;12:181–90.

Goltz HC, Irving EL, Hill JA, Kraft SP, Steinbach MJ. Dissociated vertical deviation: head and body orientation affect the amplitude and velocity of the vertical drift. J Ped Ophthalmol Strabismus 1996;33:307–13.

Irving EL, Sivak JG, Curry TA, Callender MG. Chick eye optics: zero to fourteen days. J Comp Physiol. A 1996;179:185–94.

Irving EL, Robertson KM. Influences of monocular image degradation on the monocular components of fixation disparity. Ophthal and Physiol Optics 1996;16:326–35.

Irving EL, Sivak JG, Callender MG. Inducing Ametropias in Hatchling Chicks by Defocus-Aperture Effects and Cylindrical Lenses. Vision Res 1995;35:1165–74.

Irving EL, Sivak JG, Callender MG. Refractive plasticity of the developing chick eye. Ophthalmic Physiol Opt 1992;12:448–56.

Irving EL, Callender MG, Sivak JG. Inducing myopia, hyperopia and astigmatism in chicks. Optom Vis Sci 1991;68:364–8.

Irving E, Woo G. Relieving visual fatigue of a VDT worker. Clin Exp Optom 1988;71:139–41.

Irving E, Woo G. Optical therapy in primary binocular vision care: a case study. Clin Exp Optom 1988;71:170–2.