Dr. K. Tiruvengada Krishnan

Qualification
DNB
Designation
Chief, Cornea & Refractive Surgery Services
Active Reg.No
54965/TN
Location
Aravind Eye Hospital, Chennai

Introduction

Dr. Tiruvengada Krishnan graduated in medicine from Rajah Muthiah Medical College, Annamalai University and DNB from Aravind Eye Hospital.  Now he is the Chief of Cornea & Refractive Surgery Services at Aravind Eye Hospital, Chennai

Research & Publications

Dr. Tiruvengada Krishnan has published several research papers in Peer Reviewed International and State Journals.

  1. Ravindran RD, Sundaresan P, Tiruvengada Krishnan, Vashist P, Maraini G, Saravanan V, Chakravarthy U, Smeeth L, Nitsch D, Young IS, Fletcher AE. Genetic variants in a sodium-dependent vitamin C transporter gene and age-related cataract. Br J Ophthalmol. 2019;103:1223-1227.
  2. Shivananda N, Tiruvengada Krishnan, Seema R, Samantaray PP, Austin A, Pickel J, Porco T, Lietman T, Rose-Nussbaumer J. Mycotic Antimicrobial Localized Injection: A Randomized Clinical Trial Evaluating Intrastromal Injection of Voriconazole. Ophthalmology. 2019;126:1084-1089.
  3. Madanagopalan VG, Shivananda N, Thiruvengada Krishnan. Surgically induced necrotizing scleritis after retinal detachment surgery masquerading as scleral abscess. GMS Ophthalmol Cases. 2019;9:Doc18.
  4. Cho J, Prajna NV, Lalitha, Prajna, Revathy, R, Thiruvengada Krishnan, Lin, Y B, Ray, K J, Lietman, T M, Rose-Nussbaumer, J, Mycotic Ulcer Treatment Trial Group. Therapeutic Penetrating Keratoplasty Button Culture in the Mycotic Ulcer Treatment Trial II: a randomized trial comparing oral voriconazole vs placebo. Am. J. Ophthalmol. 2018;192:142-145.
  5. Oldenburg CE, Prajna NV, Thiruvengada Krishnan, Revathy, R, Srinivasan, M, Ray, K J, O’Brien, K S, Glymour, M M, Porco, T C,  Acharya, N R, Rose-Nussbaumer, J, Lietman, T M. Regression Discontinuity and Randomized Controlled Trial Estimates: an application to the mycotic ulcer treatment trials. Ophthalmic Epidemiol. 2018;25:315-322.
  6. Sanil Joseph, Thiruvengada Krishnan, Ravindran, R D, Maraini, G, Camparini, M, Chakravarthy, U, Thulasiraj, R D, Hutchings, A, Fletcher, A E. Prevalence and Risk Factors for Myopia and other Refractive Errors in an Adult Population in Southern India. Ophthalmic Physiol Opt. 2018;102:182-186.
  7. Ray KJ, Prajna NV, Lalitha, Prajna, Revathy, R, Thiruvengada Krishnan, Patel, S, Mano Ranjan Das, Shah, R, Dhakhwa, K, McLeod, S D, Zegans, M E, Acharya, N R, Lietman, T M, Rose-Nussbaumer, J, Mycotic Ulcer Treatment Trial Group. The Significance of Repeat Cultures in the Treatment of Severe Fungal Keratitis. Am. J. Ophthalmol. 2018;189:41-46.
  8. Seema R, Mandlik, Kunal, Sathe, Tejashree Sanket, Joseph, G, Thiruvengada Krishnan, Prabu, B. Ocular Infections caused by Scedosporium Apiospermum: a case series. Indian J Ophthalmol. 2018;66:137-140.
  9. Annamalai O, Shivananda, N, Seema, R, Thiruvengada Krishnan, Sivagami, N, Smitha, K. A Retrospective Study on the Incidence of Post-Cataract Surgery Descemet’s Membrane Detachment and Outcome of Air Descemetopexy. Br J Ophthalmol.  2018;102:182-186.
  10. Prajna NV, Thiruvengada Krishnan, Revathy, R, Patel, S, Shah, R, Srinivasan, M, Mano Ranjan Das, Ray, K J, Oldenburg, C E, McLeod, S D, Zegans, M E, Acharya, N R, Lietman, T M, Rose-Nussbaumer, J, Mycotic Ulcer Treatment Trial Group. Predictors of Corneal Perforation or Need for Therapeutic Keratoplasty in Severe Fungal Keratitis: a secondary analysis of the mycotic ulcer treatment trial II. JAMA Ophthalmol. 2017;135:987-991.
  11. Prajna NV, Thiruvengada Krishnan, Revathy, R, Patel, S, Shah, R, Srinivasan, M, Lumbini Devi, Mano Ranjan Das, Ray, K J, O’Brien, K S, Oldenburg, C E, McLeod, S D, Zegans, M E, Acharya, N R, Lietman, T M, Rose-Nussbaumer, J, Mycotic Ulcer Treatment Trial Group. Adjunctive Oral Voriconazole Treatment of Fusarium Keratitis: a secondary analysis from the mycotic ulcer treatment trial II. JAMA Ophthalmol. 2017;135:520-525.
  12. Ray KJ, Lalitha, Prajna, Prajna NV Revathy, R, Thiruvengada Krishnan, Srinivasan, M, Ryg, R, McLeod, S, Acharya, N R, Lietman, T M, Rose-Nussbaumer, J, Mycotic Ulcer Treatment Trial. The Utility of Repeat Culture in Fungal Corneal Ulcer Management: a secondary analysis of the MUTT I randomized clinical trial group. Am. J. Ophthalmol. 2017;178:157-162.
  13. Prajna NV, Thiruvengada Krishnan, Revathy, R, Patel, S, Srinivasan, M, Mano Ranjan Das, Ray, K J, O’Brien, K S, Oldenburg, C E, McLeod, S D, Zegans, M E, Porco, T C, Acharya NR, Lietman, T M, Rose-Nussbaumer, J, Mycotic Ulcer Treatmetn Trial II Group. Effect of Oral Voriconazole on Fungal Keratitis in the Mycotic Ulcer Treatment Trial II (MUTT II): a randomized clinical trial. JAMA Ophthalmol. 2016;134:1365-1372.
  14. Ramakrishnan S, Baskaran, P, Fazal, R, Sulaiman, S M, Thiruvengada Krishnan, Venkatesh R. Spring-Action Apparatus for Fixation of Eyeball (SAFE): a novel, cost-effective yet simple device for ophthalmic wet-lab training. Br J Ophthalmol. 2016;100:1317-1321.
  15. Sun CQ, Prajna NV, Thiruvengada Krishnan, Revathy, R, Srinivasan, M, Anita Raghavan, O’Brien, K S, McLeod, S D, Acharya, N R, Rose-Nussbaumer, J, Mycotic Ulcer Treatment Trial Group. Effect of Pretreatment with Antifungal Agents on Clinical Outcomes in Fungal Keratitis. Clin Experiment Ophthalmol. 2016;44:763-767.
  16. Thulasiraj RD, Gupta, S, Ravindran, R D, Vashist, Praveen, Thiruvengada Krishnan, Maraini, Giovanni, Chakravarthy, Usha,  Fletcher, Astrid E. Use of Cooking Fuels and Cataract in a Population-Based Study: the India eye disease study. Environ Health Perspect. 2016;124:1857-1862.
  17. Prajna NV, Lalitha, Prajna, Revathy, R, Thiruvengada Krishnan, Anita Raghavan, Srinivasan, M, O’Brien, Kieran S, Zegans, Michael, McLeod, Stephen D, Acharya, Nisha R, Keenan, Jeremy D,  Lietman, Thomas M, Rose-Nussbaumer, Jennifer, Mycotic Ulcer Treatment Trial Group. Changing Azole Resistance: a secondary analysis of the MUTT I randomized clinical trial. JAMA Ophthalmol. 2016;134:693-696.
  18. Rose-Nussbaumer J, Prajna NV, Thiruvengada Krishnan, Jeena Mascarenhas, Revathy, R, Srinivasan, M, Anita Raghavan, Oldenburg, C E, O’Brien, K S, Ray, K J, Porco, T C, McLeod, S D, Acharya, N R,  Keenan, J D, Lietman, T M, Mycotic Ulcer Treatment Trial Group. Risk Factors for Low Vision Related Functioning in the Mycotic Ulcer Treatment Trial: a randomised trial comparing natamycin with voriconazole. Br J Ophthalmol. 2016;100:929-932.
  19. Kalaiselvi G, Narayana S, Thiruvengada Krishnan, Sengupta Sabyasachi. Intrastromal Voriconazole for Deep Recalcitrant Fungal Keratitis: a case series. Br J Ophthalmol. 2015;99:195-8.
  20. Sun CQ, Prajna NV, Thiruvengada Krishnan, Jeena Mascarenhas, Revathy, R, Srinivasan, M, Anita Raghavan, O’Brien, K S, Ray, K J, McLeod, S D, Porco, T C, Acharya, N R, Lietman, T M. Expert Prior Elicitation and Bayesian Analysis of the Mycotic Ulcer Treatment Trial I. Invest. Ophthalmol. Vis. Sci. 2013;54:4167-4173.
  21. Prajna NV, Srinivasan, M, Lalitha, Prajna, Thiruvengada Krishnan, Revathy, R, Meenakshi, R, Jeena Mascarenhas, Oldenburg, C E, Ray, K J, McLeod, S D, Acharya, N R, Lietman, T M. Differences in Clinical Outcomes in Keratitis Due to Fungus and Bacteria. JAMA Ophthalmol. 2013;131:1088-1089.
  22. Prajna NV, Thiruvengada Krishnan, Jeena Mascarenhas, Revathy, R, Lalitha, Prajna, Srinivasan, M, Anita Raghavan, Oldenburg, Catherine E, Ray, Kathryn J, Zegans, Michael E, McLeod, Stephen D, Porco, Travis C, Acharya, Nisha R, Lietman, Thomas M,  Mycotic Ulcer Treatment Trial Group. The Mycotic Ulcer Treatment Trial: a randomized trial comparing natamycin vs voriconazole. JAMA Ophthalmol. 2013;131:422-429.
  23. Prajna NV, Lalitha, Prajna, Jeena Mascarenhas, Thiruvengada Krishnan, Srinivasan, M, Vaitilingam, C M, Oldenburg, Catherine E,  Sy, Aileen, Keenan, Jeremy David, Porco, Travis C, Acharya, Nisha R, Lietman, Thomas M.Natamycin and Voriconazole in Fusarium and Aspergillus Keratitis: subgroup analysis of a randomised controlled trial. Br J Ophthalmol. 2012;96:1440-1441.
  24. Sengupta Sabyasachi, Thiruvengada Krishnan, Ravindran, R D, Vaitilingam, M C. Changing Referral Patterns of Infectious Corneal Ulcers to a Tertiary Care Facility in South India – 7 Yea r Analysis. Ophthalmic Epidemiol. 2012;19:297-301.
  25. Prajna NV, Thiruvengada Krishnan, Jeena Mascarenhas, Srinivasan, M, Oldenburg, C E, Toutain-Kidd, C M, Sy, A, McLeod, S D, Zegans, M E, Acharya, N R, Lietman, T M, Porco, T C. Predictors of Outcome in Fungal Keratitis. Eye. 2012;26:1226-1231.
  26. Lalitha Prajna, Prajna NV, Oldenburg, Catherine E, Srinivasan, M, Thiruvengada Krishnan, Jeena Mascarenhas, Vaitilingam, C M, McLeod, S D, Zegans, M E, Porco, T C, Acharya, Nisha R, Lietman, T M. Organism, Minimum Inhibitory Concentration, and Outcome in a Fungal Corneal Ulcer Clinical Trial. Cornea. 2012;31:662-667.
  27. Thiruvengada Krishnan, Prajna NV, Gronert, K, Oldenburg, C E, Ray, K J, Keenan, J D, Lietman, T M, Acharya, N R. Gender Differences in Re-Epithelialisation Time in Fungal Corneal Ulcers. Br J Ophthalmol. 2012;96(1):137-8.
  28. Sengupta Sabyasachi, Rajan, Sanjeevani, Ravindranath Reddy, P, Thiruvengada Krishnan, Ravindran, R D, Lalitha, Prajna, Vaitilingam, C Manivasagam. Comparative Study on the Incidence and Outcomes of Pigmented versus non Pigmented Keratomycosis. Indian J Ophthalmol. 2011;59:291-296.
  29. Oldenburg CE, Prajna NV, Lalitha, Prajna, Thiruvengada Krishnan, Jeena Mascarenhas, Vaitilingam, C M, Srinivasan, M, See, Craig W, Cevallos, Vicky, Zegans, Michael E, Acharya, Nisha R, Lietman, Thomas M. Clinical Signs in Dematiaceous and Hyaline Fungal Keratitis. Br J Ophthalmol. 2011;95:750-751.
  30. Venkatesh R, Tan, Colin S H, Sengupta, Sabyasachi, Ravindran, R D, Thiruvengada Krishnan, Chang, David F. Phacoemulsification versus Manual Small-Incision Cataract Surgery for White Cataract. J Cataract Refract Surg. 2010;36:1849-1854.
  31. Sengupta Sabyasachi, Ravindranath Reddy, P, Gyatsho, Jamyang, Ravindran, R D, Thiruvengada Krishnan, Vikram Vaidee.Risk Factors for Intraocular Penetration of Caterpillar Hair in Ophthalmia Nodosa: a retrospective analysis. Indian J Ophthalmol. 2010;58:540-543.
  32. Prajna NV, Jeena, Mascarenhas, Thiruvengada Krishnan, Ravindranath Reddy, P, Lalitha, Prajna, Srinivasan, M, Vaitilingam, C M, Hong, Kevin C, Lee, Salena M, McLeod, Stephen D, Zegans, Michael E, Porco, Travis C, Lietman, Thomas M, Acharya, Nisha R. Comparison of Natamycin and Voriconazole for the Treatment of Fugnal Keratitis. Arch Ophthal. 2010;128:672-678.
  33. Thiruvengada Krishnan, Ravindran, R D, Murthy, G V S, Vashist, P, Fitzpatrick, K E, Thulasiraj, R D, John, N, Maraini, G, Camparini, M, Chakravarthy, U, Fletcher, A E. Prevalence of Early and Late Age-Related Macular Degeneration in India: the INDEYE study. Invest. Ophthalmol. Vis. Sci. 2010;51:701-707.
  34. Venkatesh R, Tan, C S H, Gurdeep Singh, Veena, K, Thiruvengada Krishnan, Ravindran, R D. Safety and Efficacy of Manual Small Incision Cataract Surgery for Brunescent and Black Cataracts. Eye. 2009;23:1155-1157.
  35. Thiruvengada Krishnan, Sengupta, Sabyasachi, Ravindranath Reddy, P, Ravindran, R D. Secondary Pseudomonas Infection of Fungal Keratitis following Use of Contaminated Natamycin Eye Drops: a case series. Eye.2009;23:477-479.
  36. Venkatesh R, Veena, K, Thiruvengada Krishnan. Cortical Removal Simplified by J-Cannula Irrigation. J Cataract Refract Surg. 2005;31:1085-1086.
  37. Venkatesh R, Veena, K, Thiruvengada Krishnan. Cortical Removal Simplified by J-Cannula Irrigation. J Cataract Refract Surg. 2003;29:1852-1853.