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Home • In the Classroom • Faculty • Darren Koenig, OD, PhD, FAAO Darren Koenig, OD, PhD, FAAO Assistant Professor of Optometry Next Previous Phone: 312-949-7037 Email: ​ dkoenig@ico.edu All Faculty Christine Allison, OD, FAAO, FCOVD Barclay W. Bakkum, DC, PhD Alaina Bandstra, OD, FAAO Tahira Bedgood, MS Raman Bhakhri, OD, FAAO Brittney Brady, OD, FAAO Aubrey Breithaupt, OD, FCOVD Elyse L. Chaglasian, OD, FAAO Michael Chaglasian, OD, FAAO Samantha Dodda, OD, FAAO Katie Foreman, OD, FAAO Kelly A. Frantz, OD, FAAO, FCOVD Geoffrey Goodfellow, OD, FAAO Greta Gregg, OD, FAAO Eric Harris, OD, FAAO Jennifer S. Harthan, OD, FAAO, FSLS Kathryn Hohs, OD, FAAO Erica Ittner, OD, FAAO Valerie Kattouf, OD, FAAO Darren Koenig, OD, PhD, FAAO Courtney Luce, OD Tracy Matchinski, OD, FAAO Mallory McLaughlin, OD, FAAO Janice McMahon, OD, FAAO Leonard Messner, OD, FAAO Stephanie Messner, OD, FAAO Dominick L. Opitz, OD, FAAO Yi Pang, OD, PhD, FAAO Jaymeni Patel, OD, FAAO Andria Pihos, OD, FAAO Danielle Piser, OD, FAAO Harneet Randhawa, OD, FAAO Daniel K. Roberts, OD, PhD, FAAO Anne Rozwat, OD, FAAO Patricia Salazar, OD, FAAO Navjit K. Sanghera, OD, FAAO Lindsay A. Sicks, OD, FAAO, FIACLE, FSLS Denise Skiadopoulos, OD, FAAO William Skoog, OD, FAAO Ashley Speilburg, OD, FAAO Wendy J. Stone, OD, FAAO Christine Weber, EdD, MLS, AHIP Janis E. Winters, OD, FAAO Elizabeth Wyles, OD, FAAO Xiaohua Zhuang, PhD, FAAO Rebecca K. Zoltoski, PhD Why ICO? ICO is a well-established and esteemed college of optometry, turning out some of the best and brightest in the field. Its deep history, urban setting, and dedicated faculty make it an ideal location to learn optometry. Biography Dr. Koenig joined the faculty at ICO in 2018. He assists in 1st and 2nd year clinical methods and procedures labs and optics courses. Dr. Koenig developed an interest in teaching at an optometric institution after initially overseeing 4th year students on rotation in San Antonio, Texas. ICO is an ideal location and provides an exciting and rewarding opportunity to pursue my interest in teaching the skills and ideas of optometry to newer generations of students. Special Interests Geometric, physical and visual optics, vision quality and visual optics in aging, optical and neurological limits to visual function, primary care optometry and ocular disease Education OD – Nova Southeastern University College of Optometry PhD – University of Houston College of Optometry – Physiological Optics and Vision Science Experience MCPHS University School of Optometry University of Houston College of Optometry Brook Army Medical Center Lackland Air Force Base Awards & Honors Bausch + Lomb Ezell Fellow Ruth L. Kirschstein National Research Service Award National Eye Institute/ARVO Travel Grant Minnie F. Turner Memorial Fund for Impaired Vision Research Award Beta Sigma Kappa Optometric Honor Society Professional Organizations Past and Present Memberships: American Academy of Optometry (Fellow) American Optometric Association Optical Society of America Association for Research in Vision and Ophthalmology American Association for the Advancement of Science Publications Peer Reviewed Publications: Applegate RA, Donnelly WJ, Marsack JD, Koenig DE, Pesudovs K: Three-Dimensional Relationship Between High-Order Root-Mean-Square Wavefront Error, Pupil Diameter, and Aging. J Opt Soc Am – A, 24(3): pages 578-587, 2007. Koenig DE, Applegate RA, Marsack JD, Sarver EJ, Nguyen LC: Detecting Significant Change in Wavefront Error: How Long Does it Take? Clin Exp Optom, 92(3):246-252, 2009. Koenig DE, Hofer HJ: The absolute threshold of cone vision. Journal of Vision, 11(1):21, 1-24, 2011. Koenig DE, Hofer HJ: Do color appearance judgments interfere with detection of small threshold stimuli? J Opt Soc Am, 29(2):A258-A267, 2012. Hofer HJ, Blaschke J, Patolia J, Koenig DE: Fixation light hue bias revisited: implications for using adaptive optics to study color vision. Vis Res, 56: 49-56, 2012. Koenig DE, Nguyen LC, Parker KE, Applegate RA (2013). Factors accounting for 4 year acuity change in patients 50 to 80 years old. Optometry and Vision Science, 90(7):620-627. Koenig DE, Hart NW, Hofer HJ (2014). Adaptive optics without altering visual perception. Vision Research, 97:100-107. Marsack JD, Ravikumar A, Nguyen LC, Ticak A, Koenig DE, Elswick JD, Applegate RA (2014). Wavefront-guided scleral lens correction in keratoconus, Optometry and Vision Science, 91(10):1221-1230. Ticak A, Marsack JD, Koenig DE, Ravikumar A, Shi Y, Nguyen LC, Applegate RA (2015). A comparison of three methods to increase scleral contact lens on-eye stability, Eye Contact Lens, 41(6):386-390. Posters and Platform Presentations: Koenig DE, Hofer HJ (2007). The Absolute Threshold of Cone Vision is Relatively Insensitive to the Criteria for Seeing. Poster presented at the Optical Society of America – Fall Vision Meeting, Berkeley, California. Koenig DE, Applegate RA (2007). Metrics Reduced to Best Subsets to Predict Visual Performance. Poster presented at the annual meeting of the American Academy of Optometry, Tampa, Florida. Koenig DE, Hofer HJ (2008). Test of the Threshold-Criterion Relationship in Cone Vision Indicates an Internal, Fixed Threshold. Poster presentation at the annual meeting of the Houston Society for Engineering in Medicine and Biology, Houston, Texas. Applegate RA, Thibos LN, Marsack JD, Queener HM, Koenig DE (2008) Change in retinal image quality for physiologic pupil diameters does not account for the loss of logMAR acuity with age. Invest. Ophth. Vis. Sci. 49: E-Abstract 2840. Koenig DE, Hofer HJ (2009). What Determines the Absolute Threshold of Cone Vision? Poster presented at the annual meeting of the Association for Research in Vision and Ophthalmology, Fort Lauderdale, Florida. Applegate RA, Koenig DE, Marsack JD, Sarver EJ, Nguyen LC (2009) Pupil center location uncertainty is a major source of noise in WFE measurements. Invest. Ophth. Vis. Sci. (ARVO). Koenig DE, Hofer HJ (2010). Dark Adapted Foveal Detection Thresholds and Spatial Pooling. Paper presentation at the annual meeting of the Association for Research in Vision and Ophthalmology, Fort Lauderdale, Florida. Hofer HJ, Blaschke J, Patolia J, & Koenig DE (2010). Fixation light hue bias and adaptive optics psychophysics: does the wavefront sensor beacon alter color appearance? Poster presentation at the annual meeting of the Association for Research in Vision and Ophthalmology. Koenig DE, Hofer HJ (2010). Simultaneous measurements of detection thresholds and color appearance: Does attending to color appearance impact detection? Poster presented at the Optical Society of America – Fall Vision Meeting, Rochester, New York. Koenig DE, Hofer HJ (2011). Does reporting color facilitate detection in a threshold-level, dual-judgment task? Poster presented at the annual meeting of the Association for Research in Vision and Ophthalmalogy, Fort Lauderdale, Florida. Koenig DE, Hofer HJ (2011). Can subjects tailor their detection strategy to match expected stimulus size at absolute cone threshold? Poster presented at the Optical Society of America – Fall Vision Meeting, Seattle, Washington. Koenig DE, Hofer HJ (2012). Spatial integration in the dark-adapted fovea. Poster presented at the annual meeting of the Association for Research in Vision and Ophthalmology, Fort Lauderdale, Florida. Hart NW, Koenig DE, Hofer HJ (2012). Adaptive optics without altering visual perception. Poster presented at the annual meeting of the Association for Research in Vision and Ophthalmology, Fort Lauderdale, Florida. Ravikumar A, Koenig DE, Applegate RA (AAO poster abstract 2012). Does abrupt change in image quality impact acuity in a similar manner as a function of age? Kellogg A, Koenig DE, Hofer HJ (AAO poster abstract 2012). Is there a universal in-focus wavelength for aberration based subjective refractions? Marsack JD, Nguyen LC, Koenig DK, Ticak A, Elswick J, Applegate RA (2013). Visual performance and residual aberration in keratoconus subjects wearing custom scleral contact lenses. Poster presented at the annual meeting of the Association for Research in Vision and Ophthalmology, Seattle, Washington. Hofer HJ, Koenig DE (2013). Two-point detection and appearance in the absence of higher order aberrations. Poster presented at the annual meeting of the Association for Research in Vision and Ophthalmology, Seattle, Washington. Koenig DE, Hofer, HJ (2013). Is dark-adapted cone detection optimized given noise and uncertainty? Poster presented at the annual meeting of the Association for Research in Vision and Ophthalmology, Seattle, Washington. Koenig DE, Ravikumar A, Hofer, HJ (2013). Two-point detection, discrimination, and appearance without higher order aberrations in the dark-adapted fovea. Contributed paper presentation for the Optical Society of America’s Fall Vision Meeting, Houston, Texas October 2013.

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Home • In the Classroom • Faculty • Alaina Bandstra, OD, FAAO Alaina Bandstra, OD, FAAO Assistant Professor of Optometry; Biomedical and Vision Sciences Curriculum Coordinator Next Previous Phone: 312-949-7096 Email: ​ abandstra@ico.edu All Faculty Christine Allison, OD, FAAO, FCOVD Barclay W. Bakkum, DC, PhD Alaina Bandstra, OD, FAAO Tahira Bedgood, MS Raman Bhakhri, OD, FAAO Brittney Brady, OD, FAAO Aubrey Breithaupt, OD, FCOVD Elyse L. Chaglasian, OD, FAAO Michael Chaglasian, OD, FAAO Samantha Dodda, OD, FAAO Katie Foreman, OD, FAAO Kelly A. Frantz, OD, FAAO, FCOVD Geoffrey Goodfellow, OD, FAAO Greta Gregg, OD, FAAO Eric Harris, OD, FAAO Jennifer S. Harthan, OD, FAAO, FSLS Kathryn Hohs, OD, FAAO Erica Ittner, OD, FAAO Valerie Kattouf, OD, FAAO Darren Koenig, OD, PhD, FAAO Courtney Luce, OD Tracy Matchinski, OD, FAAO Mallory McLaughlin, OD, FAAO Janice McMahon, OD, FAAO Leonard Messner, OD, FAAO Stephanie Messner, OD, FAAO Dominick L. Opitz, OD, FAAO Yi Pang, OD, PhD, FAAO Jaymeni Patel, OD, FAAO Andria Pihos, OD, FAAO Danielle Piser, OD, FAAO Harneet Randhawa, OD, FAAO Daniel K. Roberts, OD, PhD, FAAO Anne Rozwat, OD, FAAO Patricia Salazar, OD, FAAO Navjit K. Sanghera, OD, FAAO Lindsay A. Sicks, OD, FAAO, FIACLE, FSLS Denise Skiadopoulos, OD, FAAO William Skoog, OD, FAAO Ashley Speilburg, OD, FAAO Wendy J. Stone, OD, FAAO Christine Weber, EdD, MLS, AHIP Janis E. Winters, OD, FAAO Elizabeth Wyles, OD, FAAO Xiaohua Zhuang, PhD, FAAO Rebecca K. Zoltoski, PhD Why ICO? As a student at ICO, I valued the academic standards upheld by the college as well as the clinical complexity provided at the Illinois Eye Institute. Joining the ICO community as a faculty member has allowed me to continue learning as both a scholar and an educator. Biography After earning her bachelor's degree at Trinity Christian College, Dr. Bandstra received her Doctor of Optometry degree from the Illinois College of Optometry. She continued her education at ICO, completing a residency in pediatric optometry and binocular vision. Following her residency at ICO, Dr. Bandstra practiced in the private sector for three years at a family practice in Chicago with an emphasis on pediatric eye care and vision therapy. She now works full time at ICO as an Assistant Professor in the Pediatric Department while also seeing patients in private practice one day a week. Special Interests Pediatrics/Binocular Vision, Vision Therapy, Myopia Control Education Trinity Christian College Illinois College of Optometry Experience Lyons Family Eye Care (Chicago, IL) SoLo Eye Care & Eyewear Gallery (Chicago, IL) Awards & Honors Beta Sigma Kappa Honor Society, Member Gold Key International Optometric Honor Society, Member Tomb and Key Honor Society, Member Dr. Henry J. Luckhardt Memorial Award Beta Sigma Kappa Medal Clinical Excellence Award Professional Organizations Fellow, American Academy of Optometry Member, American Optometric Association Member, Illinois Optometric Association Member, College of Optometry in Vision Development Publications

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Home • In the Classroom • Faculty • Lindsay A. Sicks, OD, FAAO, FIACLE, FSLS Lindsay A. Sicks, OD, FAAO, FIACLE, FSLS Associate Professor of Optometry; Cornea and Contact Lens/Ocular Disease Residency Coordinator Next Previous Phone: 312-949-7110 Email: ​ lsicks@ico.edu All Faculty Christine Allison, OD, FAAO, FCOVD Barclay W. Bakkum, DC, PhD Alaina Bandstra, OD, FAAO Tahira Bedgood, MS Raman Bhakhri, OD, FAAO Brittney Brady, OD, FAAO Aubrey Breithaupt, OD, FCOVD Elyse L. Chaglasian, OD, FAAO Michael Chaglasian, OD, FAAO Samantha Dodda, OD, FAAO Katie Foreman, OD, FAAO Kelly A. Frantz, OD, FAAO, FCOVD Geoffrey Goodfellow, OD, FAAO Greta Gregg, OD, FAAO Eric Harris, OD, FAAO Jennifer S. Harthan, OD, FAAO, FSLS Kathryn Hohs, OD, FAAO Erica Ittner, OD, FAAO Valerie Kattouf, OD, FAAO Darren Koenig, OD, PhD, FAAO Courtney Luce, OD Tracy Matchinski, OD, FAAO Mallory McLaughlin, OD, FAAO Janice McMahon, OD, FAAO Leonard Messner, OD, FAAO Stephanie Messner, OD, FAAO Dominick L. Opitz, OD, FAAO Yi Pang, OD, PhD, FAAO Jaymeni Patel, OD, FAAO Andria Pihos, OD, FAAO Danielle Piser, OD, FAAO Harneet Randhawa, OD, FAAO Daniel K. Roberts, OD, PhD, FAAO Anne Rozwat, OD, FAAO Patricia Salazar, OD, FAAO Navjit K. Sanghera, OD, FAAO Lindsay A. Sicks, OD, FAAO, FIACLE, FSLS Denise Skiadopoulos, OD, FAAO William Skoog, OD, FAAO Ashley Speilburg, OD, FAAO Wendy J. Stone, OD, FAAO Christine Weber, EdD, MLS, AHIP Janis E. Winters, OD, FAAO Elizabeth Wyles, OD, FAAO Xiaohua Zhuang, PhD, FAAO Rebecca K. Zoltoski, PhD Why ICO? As a student, I loved being part of the ICO family. When it came time to decide what to do after residency, teaching was a natural fit for my strengths. At ICO, there are so many opportunities for students to discover their talents and to grow as clinicians, colleagues, and friends. You will end your ICO journey as a confident, prepared, and capable optometrist. Biography Dr. Sicks graduated magna cum laude from Illinois Wesleyan University in 2006 with a BA in Biology. She received her OD from the Illinois College of Optometry in 2010 and went on to complete a residency in Cornea and Contact Lenses at Northeastern State University Oklahoma College of Optometry. While in Oklahoma, she was certified in and performed therapeutic anterior segment laser and minor surgical procedures. Currently, Dr. Sicks serves as an attending optometrist for third- and fourth-year interns in the Cornea Center for Clinical Excellence. She is also involved in the didactic training of students in specialty contact lenses and ophthalmic surgical procedures including injections, minor surgical procedures, and anterior segment laser therapy. She has delivered continuing education and presented research and posters at both local and national optometry meetings. Dr. Sicks is Chair of the Faculty-Student Liaison Committee for the American Academy of Optometry and also serves on their Leadership Task Force. She is a member of the Communications Committee for the Association of Optometric Contact Lens Educators. She is also a Gallup-certified Strengths Coach. Special Interests Specialty contact lenses, keratoconus, corneal dystrophies, meibomian gland dysfunction, ocular surface disease, phlyctenular keratoconjunctivitis, pediatric dry eye, myopia management, orthokeratology Education 2011 Northeastern State University Oklahoma College of Optometry, Cornea and Contact Lens Residency 2010 Illinois College of Optometry, OD 2006 Illinois Wesleyan University, BA Experience 2021-present Matthew E. Schmidt, MD and Associates 2014-2015 Children’s and Family Eyecare (Mary Lou French, OD and Associates) 2013-present Illinois College of Optometry 2011-2013 Midwestern University Arizona College of Optometry Awards & Honors 2015 Dr. Rodger Kame Award, American Optometric Association Cornea and Contact Lens Section 2011 George W. Mertz Contact Lens Residency Award, American Optometric Foundation 2010 Heart of American Contact Lens Society Grant Award 2010 Clinical Excellence Award, Illinois College of Optometry 2009 Robert D. Newcomb Fellowship for Leadership, American Academy of Optometry Gold Key International Optometric Honor Society Beta Sigma Kappa Optometric Honor Society Professional Organizations American Academy of Optometry (Fellow) International Association of Contact Lens Educators (Fellow) Scleral Lens Education Society (Fellow) American Optometric Association Illinois Optometric Association Association of Optometric Contact Lens Educators Gallup-Certified Strengths Coach Publications Sicks LA and Harthan JS. Phlyctenular Keratoconjunctivitis: a Teaching Case Report. Optometric Education. 2021;47(1). Bradley CS, Sicks LA, Pucker AD. Common ophthalmic preservatives in soft contact lens care products: benefits, complications, and a comparison to non-preserved solutions. Clinical Optometry. 2021;13:271. Harthan JS, Sicks LA. Sutureless amniotic membranes (Prokera) for filamentary keratitis: A case series. Journal of Dry Eye Disease. 2019 May 9;2(1):e10-6.

Home • In the Classroom • Faculty • Harneet Randhawa, OD, FAAO Harneet Randhawa, OD, FAAO Assistant Professor of Optometry; Primary Care & Ocular Disease Residency Coordinator Next Previous Phone: 312-949-7419 Email: ​ hrandhawa@ico.edu All Faculty Christine Allison, OD, FAAO, FCOVD Barclay W. Bakkum, DC, PhD Alaina Bandstra, OD, FAAO Tahira Bedgood, MS Raman Bhakhri, OD, FAAO Brittney Brady, OD, FAAO Aubrey Breithaupt, OD, FCOVD Elyse L. Chaglasian, OD, FAAO Michael Chaglasian, OD, FAAO Samantha Dodda, OD, FAAO Katie Foreman, OD, FAAO Kelly A. Frantz, OD, FAAO, FCOVD Geoffrey Goodfellow, OD, FAAO Greta Gregg, OD, FAAO Eric Harris, OD, FAAO Jennifer S. Harthan, OD, FAAO, FSLS Kathryn Hohs, OD, FAAO Erica Ittner, OD, FAAO Valerie Kattouf, OD, FAAO Darren Koenig, OD, PhD, FAAO Courtney Luce, OD Tracy Matchinski, OD, FAAO Mallory McLaughlin, OD, FAAO Janice McMahon, OD, FAAO Leonard Messner, OD, FAAO Stephanie Messner, OD, FAAO Dominick L. Opitz, OD, FAAO Yi Pang, OD, PhD, FAAO Jaymeni Patel, OD, FAAO Andria Pihos, OD, FAAO Danielle Piser, OD, FAAO Harneet Randhawa, OD, FAAO Daniel K. Roberts, OD, PhD, FAAO Anne Rozwat, OD, FAAO Patricia Salazar, OD, FAAO Navjit K. Sanghera, OD, FAAO Lindsay A. Sicks, OD, FAAO, FIACLE, FSLS Denise Skiadopoulos, OD, FAAO William Skoog, OD, FAAO Ashley Speilburg, OD, FAAO Wendy J. Stone, OD, FAAO Christine Weber, EdD, MLS, AHIP Janis E. Winters, OD, FAAO Elizabeth Wyles, OD, FAAO Xiaohua Zhuang, PhD, FAAO Rebecca K. Zoltoski, PhD Why ICO? ICO provides students with a didactic and clinical experience that prepares them for an exceptional future in Optometry. As an alumna and former resident of ICO, I can personally attest to how dedicated the faculty and administration is to ensuring each student becomes a successful Optometrist. The wide array of opportunities, including research, volunteer work, leadership roles, and networking events, all contribute to the dynamic experience that ICO offers. Located in the diverse and historical city of Chicago, ICO provides a culturally enriching and rewarding experience that you will value for a lifetime. Biography Dr. Randhawa completed her undergraduate education at Loyola University Chicago. Upon completion of her Doctor of Optometry degree at ICO she pursued a residency in Primary Care and Ocular Disease at ICO. Dr. Randhawa is a clinical attending for second, third, and fourth year students in the primary care and urgent care clinics of the Illinois Eye Institute. Special Interests Primary Care/Ocular Disease Education 2017 Illinois College of Optometry, Primary Care and Ocular Disease Residency 2016 Illinois College of Optometry, OD 2011 Loyola University Chicago, BA Experience 2016-present Illinois College of Optometry Awards & Honors 2016 Clinical Excellence Award, Illinois College of Optometry Professional Organizations American Academy of Optometry American Optometric Association Illinois Optometric Association Publications

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