Thasarat Vajaranant, MD

Thasarat Sutabutr Vajaranant, MD

Associate Professor of Ophthalmology
Director, Glaucoma Service

Mailing Address:
Illinois Eye and Ear Infirmary
1855 W Taylor Street, M/C 648
Chicago, IL 60612

Sees patients at:
Glaucoma Service

Illinois Eye and Ear Infirmary
1855 W. Taylor Street, Suite 3.171
Clinic Phone: (312) 996-7030


request and appointment

"Dr. Vajaranant was exceptional. I felt very confident of her skills." comment from


Dr. Vajaranant is recognized nationally in glaucoma research and as an expert clinician-scientist. She is the recipient of several prestigious awards, including two Clinician-Scientist Awards from the American Glaucoma Society in 2008, a National Institutes of Health career development award through the K12 program, Building Interdisciplinary Research Careers in Women’s Health in 2009, and the American Academy of Ophthalmology Achievement Award in 2011. She has been listed as a Best Doctors in America since 2009 and an America’s Top Doctors since 2011. Dr. Vajaranant is the first recipient of "The American Glaucoma Society–Thom J. Zimmerman, MD, PhD, Memorial Award supported by Valeant Ophthalmics" for her work with the Women’s Health Initiative Extension to build a database regarding the genotype-phenotype influence on primary open-angle glaucoma in minorities. She is a co-editor of Glaucoma Handbook and has 34 peer-reviewed articles and 60 published abstracts. She directed the Ophthalmology Residency Program from 2007–2009, and became Director of the Glaucoma Service in 2010. Dr. Vajaranant is board certified in ophthalmology.

Patient Testimonials


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Minimally invasive procedure
helps patients with glaucoma

Dr. Vajaranant and patient, Earl Butler


MD—Chulalongkorn University, Thailand
Research Fellow in Low Vision Research—Illinois Eye and Ear Infirmary, University of Illinois at Chicago
Residency in Ophthalmology—Illinois Eye and Ear Infirmary
Clinical and Research Fellowship in Glaucoma—Illinois Eye and Ear Infirmary

Selected Honors and Awards

Chicago Super Doctors, 2013
Chicago Top Doctors, 2012, 2014
America's Top Doctors, 2010 - present
Best Doctors in America, 2009 - present
The American Glaucoma Society–Thom J. Zimmerman, MD, PhD, Memorial Award
  supported by Valeant Ophthalmics, 2013
American Academy of Ophthalmology Achievement Award, 2011

See a representative list of Dr. Vajaranant's published journal articles on PubMed.

Recent Publications

Huh ES, Aref AA, Vajaranant TS, de la Cruz J, Chau FY, Cortina MS. Outcomes of pars plana glaucoma drainage implant in Boston type 1 keratoprosthesis surgery. J Glaucoma. 2014 Jan;23(1):e39-44. doi: 10.1097/IJG.0b013e31829e55f8. PubMed PMID:  24370810.

Hu J, Bui KM, Patel KH, Kim H, Arruda JA, Wilensky JT, Vajaranant TS. Effect of hemodialysis on intraocular pressure and ocular perfusion pressure. JAMA Ophthalmol. 2013 Dec;131(12):1525-31. doi: 10.1001/jamaophthalmol.2013.5599. PubMed PMID: 24232671.

Kapamajian MA, de la Cruz J, Hallak JA, Vajaranant TS. Correlation between corneal and scleral pneumatonometry: an alternative method for intraocular pressure measurement. Am J Ophthalmol. 2013 Nov;156(5):902-906.e1. doi: 10.1016/j.ajo.2013.05.045. Epub 2013 Aug 12. PubMed PMID: 23938125.

Vajaranant TS, Grossardt BR, Maki PM, Pasquale LR, Sit AJ, Shuster LT, Rocca WA. Risk of glaucoma after early bilateral oophorectomy. Menopause. 2013 Sep 2. [Epub ahead of print] PubMed PMID: 24061049; PubMed Central PMCID: PMC3880394.

Kang JJ, Allemann N, Vajaranant T, de la Cruz J, Cortina MS. Anterior segment  optical coherence tomography for the quantitative evaluation of the anterior segment following Boston keratoprosthesis. PLoS One. 2013 Aug 5;8(8):e70673. doi: 10.1371/journal.pone.0070673. Print 2013. PubMed PMID: 23940621; PubMed Central PMCID: PMC3734235.

Hu J, Goldstein DA, Leiderman YI, Malhotra V, Chau FY, Lin AY, Vajaranant TS. Epithelial downgrowth after ahmed implantation presenting as a peritubular fibrovascular membrane. J Glaucoma. 2013 Aug;22(6):e11-3. doi: 10.1097/IJG.0b013e318255d9ee. PubMed PMID: 23899696.

Chow CC, Shah RJ, Lim JI, Chau FY, Hallak JA, Vajaranant TS. Peripapillary retinal nerve fiber layer thickness in sickle-cell hemoglobinopathies using spectral-domain optical coherence tomography. Am J Ophthalmol. 2013 Mar;155(3):456-464.e2. doi: 10.1016/j.ajo.2012.09.015. Epub 2012 Dec 4. PubMed PMID: 23218697.

Sivaraman KR, Patel CG, Vajaranant TS, Aref AA. Secondary pigmentary glaucoma in patients with underlying primary pigment dispersion syndrome. Clin Ophthalmol. 2013;7:561-6. doi: 10.2147/OPTH.S42456. Epub 2013 Mar 21. PubMed PMID: 23569351; PubMed Central PMCID: PMC3615837.

Schultz KL, Vajaranant TS, Suhr K, Wilensky JT, Tu EY. Surgical technique for excisional bleb revision using a rotational conjunctival flap for a large conjunctival defect. Middle East Afr J Ophthalmol. 2013 Jan-Mar;20(1):98-101. doi: 10.4103/0974-9233.106409. PubMed PMID: 23580864; PubMed Central PMCID: PMC3617541.

Kang JJ, Allemann N, Vajaranant TS, de la Cruz J, Cortina MS. Correction: Anterior Segment Optical Coherence Tomography for the Quantitative Evaluation of  the Anterior Segment Following Boston Keratoprosthesis. PLoS One. 2013 Sep 24;8(9). doi: 10.1371/annotation/c3ad2f44-5b6f-430a-b5cb-993eae6644ad. eCollection 2013. PubMed PMID: 24116258; PubMed Central PMCID: PMC3794069.

Jivrajka R, Schultz KL, Price MO, Price FW, Wilensky JT, Edward DP, Vajaranant TS. Ocular Pulse Amplitude in Patients With Descemet Stripping Endothelial Keratoplasty. J Glaucoma. 2012 Aug 23. [Epub ahead of print] PubMed PMID: 22922665.

Vajaranant TS, Wu S, Torres M, Varma R. The changing face of primary open-angle glaucoma in the United States: demographic and geographic changes from 2011 to 2050. Am J Ophthalmol. 2012 Aug;154(2):303-314.e3. doi: 10.1016/j.ajo.2012.02.024. Epub 2012 Apr 27. PubMed PMID: 22541661; PubMed Central PMCID: PMC3401269.

Vajaranant TS, Pasquale LR. Estrogen deficiency accelerates aging of the optic nerve. Menopause. 2012 Aug;19(8):942-7. doi: 10.1097/gme.0b013e3182443137.  Review. PubMed PMID: 22415565; PubMed Central PMCID: PMC3376696.

Vajaranant TS, Wu S, Torres M, Varma R. A 40-year forecast of the demographic shift in primary open-angle glaucoma in the United States. Invest Ophthalmol Vis Sci. 2012 May 4;53(5):2464-6. doi: 10.1167/iovs.12-9483d.

Cortina MS, Vajaranant T, de la Cruz J. Long-term complications associated with glaucoma drainage devices and Boston keratoprosthesis. Am J Ophthalmol. 2011 Dec;152(6):1078-9; author reply 1079. doi: 10.1016/j.ajo.2011.09.005. PubMed PMID: 22107936.

Vajaranant TS, Anderson RJ, Zelkha R, Zhang C, Wilensky JT, Edward DP, Shahidi M. The relationship between macular cell layer thickness and visual function in different stages of glaucoma. Eye (Lond). 2011 May;25(5):612-8. doi: 10.1038/eye.2011.17. Epub 2011 Feb 25. PubMed PMID: 21350568; PubMed Central PMCID: PMC3093432.