Publications

Journals

1. Chittajallu, Sai Naga Sri Harsha, Himanshu Gururani, Rasmiranjan Dalai, Sagam Vinay Kumar, Subha Narayan Rath, Sayan Basu, and Viswanath Chinthapenta. "Suture Retention Nature of The Human Cornea." Scientific Reports, 2025. (Under Review)

2. Menga N, Sakurikar P, Rouhi A, Reddy SS, Govil A, Chittajallu SH, Aggarwal R, Namboodiri A, Reddi S. SABER: A Scalable Action-Based Embodied Dataset for Real-World VLA Adaptation. arXiv preprint arXiv:2605.09613. 2026 May 10.. (https://doi.org/10.48550/arXiv.2605.09613)

3. Rouhi A, Sakurikar P, Reddy SS, Menga N, Govil A, Chittajallu SH, Aggarwal R, Namboodiri A, Reddi S. PRISM: A Multi-View Multi-Capability Retail Video Dataset for Embodied Vision-Language Models. arXiv preprint arXiv:2603.29281. 2026 Mar 31. (https://doi.org/10.48550/arXiv.2603.29281)

4. Rasmiranjan D, Vinay S, Sai NSHC, Vineet J, Ramji M, Sayan B, Viswanath C. Experimental Investigation of Tensile Properties and Fracture Behavior of Ophthalmic Sutures under Straight, Knotted, and Looped Configurations:  Vicryl, Nylon, and Polypropylene. PlOS One, 2025. (https://doi.org/10.1371/journal.pone.0343682)

5. Divya D, Harsha SN, Senthil S. “Priming” Aids to Detect the Possible Dysfunction of the Ahmed Glaucoma Valve Devices. Indian Journal of Ophthalmology. 2025 Dec 1;73(12):1859-60. (https://doi.org/10.4103/ijo.ijo_3014_24)

6. Pidishetty D, Damera SK, Murugavel M, Susaimanickam PJ, Chittajallu SN, Kushawah G, Sarkar P, Bharadwaj SR, Mishra R, Mariappan I. Loss of retinal stem cell reserve and lipofuscin accumulation accelerates cone-rod degeneration and replicates Stargardt disease in abca4b null zebrafish. Scientific Reports. 2025 Nov 21. (https://doi.org/10.1038/s41598-025-28951-1)

7. Chittajallu, Sai Naga Sri Harsha, Himanshu Gururani, Kwong Ming Tse, Subha Narayan Rath, Sayan Basu, and Viswanath Chinthapenta. "Investigation of microstructural failure in the human cornea through fracture tests." Scientific Reports 13, no. 1 (2023): 13876. (https://doi.org/10.1038/s41598-023-40286-3)

8. Sai Naga Sri Harsha Ch, Himanshu G, Saumya Jakati, Pravin Krishna Vaddavalli, Sayan Basu,  Kwong Ming T, Viswanath Ch. “Investigation of Mechanical Strength and Structure of Corneal Graft-Host Junction”. Heliyon, 2024. (https://doi.org/10.1016/j.heliyon.2024.e30871)

9. Gururani, H., Chittajallu, S. N. S. H., Manoharan, R., Basu, S. & Chinthapenta, V. Identification of subject-specific fibrillar disposition in healthy rabbit cornea through birefringence analysis. Opt. Lasers Eng. 169, 107747 (2023). (https://doi.org/10.1016/j.optlaseng.2023.107747)

10. Gururani, H., Chittajallu, S. N. S. H., Doulatramani, M., Chinthapenta, V., Basu, S., & M, R. (2024). Collagen imaging reveals synergistic effects of sutures and host-donor misalignment on topographical irregularities in penetrating keratoplasty. PloS one, 19(8), e0308204. https://doi.org/10.1371/journal.pone.0308204

11. Gururani H, Sai Naga Sri Harsha, Ramji M, Sayan Basu Chinthapenta V. Intraoperative collagen imaging of sutured cornea: A way towards managing post-penetrating keratoplasty astigmatism. Medical Engineering and Physics. (https://doi.org/10.1016/j.medengphy.2023.104076)

12. Swapnil Thakur, Rakesh Maldoddi, Manogna Vangipuram, Manasa Kalivemula, Sai Naga Sri Harsha Ch, Anche Karthikesh, Pavan K. Verkicharla; Peripheral Refraction Using Ancillary Retinoscope Component (P-ARC). Trans. Vis. Sci. Tech. 2024;13(4):7. (https://doi.org/10.1167/tvst.13.4.7). 

13. Dhakal, Rohit, Jagadesh Rao Rudrapankte, Harsha SNS Chittajallu, John G. Lawrenson, Byki Huntjens, Rakhee Shah, and Pavan K. Verkicharla. "Development and validation of a ‘MyLyt’wearable light tracking device." Ophthalmic and Physiological Optics 43, no. 1 (2023): 132-140. (https://doi.org/10.1111/opo.13061)

14. Imam, Murshid, Sai Naga Sri Harsha Chittajallu, Himanshu Gururani, Hajime Yamamoto, Kazuhiro Ito, Pradeep Kumar Parchuri, Rajnish Mishra, Abhay Sharma, Ashutosh Richhariya, and Viswanath Chinthapenta. "Experimental study on improving the additively manufactured GMAW and TIG beads using FSP." Materials Today: Proceedings 56 (2022): 690-705. (https://doi.org/10.1016/j.matpr.2022.01.154)

15. Gururani, H., S. N. S. H. Chittajallu, M. Ramji, S. Basu, and Viswanath Chinthapenta. "An In-Vitro Investigation on the Birefringence of the Human Cornea Using Digital Photoelasticity." Experimental Mechanics 63, no. 2 (2023): 205-219. (https://doi.org/10.1007/s11340-022-00910-1)

16. Chittajallu, Sai N.S.H., Ashutosh Richhariya, Kwong M. Tse, and Viswanath Chinthapenta. 2022. "A Review on Damage and Rupture Modelling for Soft Tissues" Bioengineering 9, no. 1: 26. (https://doi.org/10.3390/bioengineering9010026)

17. Senthil, Sirisha, Gaddam Manoj Kumar, Sai Naga Sri Harsha Chittajallu, Nikhil S. Choudhari, Chandrasekar Garudadri, and Ashutosh Richhariya. "Conversion of Flow-restrictive Ahmed Glaucoma Valve to a Nonrestrictive Drainage Implant by Slicing the Valve Leaflets: An In Vitro Study." Journal of Glaucoma 30, no. 1 (2021): 5-9. (https://doi.org/10.1097/ijg.0000000000001671)

18. Taneja, Mukesh, Kiranmayi Chappidi, Sai Naga Sri Harsha Ch, Ashutosh Richhariya, Ashik Mohamed, and Varsha M. Rathi. "Innovative bulls eye drop applicator for self-instillation of eye drops." Contact Lens and Anterior Eye 43, no. 3 (2020): 256-260. (https://doi.org/10.1016/j.clae.2019.11.010)

19. Choudhari, Nikhil S., Swathi Vallabh Badakere, Ashutosh Richhariya, Sai Naga Sri Harsha Chittajallu, Sirisha Senthil, and Chandra Sekhar Garudadri. "Is Ahmed Glaucoma Valve Consistent in Performance?." Translational Vision Science & Technology 7, no. 3 (2018): 19-19. (https://doi.org/10.1167/tvst.7.3.19)

20. S. K. Chaitanya, K. M. Reddy, Sai Naga Sri Harsha, “Vibration Properties of 3D Printed / Rapid Prototype Parts,” Int. J. Innov. Res. Sci. Eng. Technol., no. June, pp. 4602–4608, 2015. (http://www.ijirset.com/upload/2015/june/87_28_Vibration_2_HARD_COPY.pdf)

International Conferences

1. Pidishetty, D., Murugavel, M., Damera, S., Chittajalu, S.N.S.H., Bharadwaj, S.R. and Mariappan, I., 2024. RETINAL DEGENERATION AND VISUAL FUNCTION DEFECTS IN STARGARDT DISEASE MODEL OF ZEBRAFISH. Investigative Ophthalmology & Visual Science, 65(7), pp.4713-4713. (https://iovs.arvojournals.org/article.aspx?articleid=2798555).

2. Himanshu Gururani, Sai Naga Sri Harsha Ch., Minal Doulatramani, Ramji Manoharan, Sayan Basu, Viswanath Chinthapenta, “Implications of Graft-Host Structural Misalignment during Penetrating Keratoplasty on topographical Irregularities”, ARVO – New Orleans La., April 23-27, 2023. (https://iovs.arvojournals.org/article.aspx?articleid=2789413)  

3. Sai Naga Sri Harsha Ch, Himanshu Gururani, Subha Narayan Rath, Sayan Basu, Kwong Ming Tse, Viswanath Chinthapenta, “Trouser Tear Mode Fracture toughness of the human cornea”, SICE 2022, Hyderabad, December 14-16, 2022.

4. Himanshu Gururani,  Sai Naga Sri Harsha Ch,   Sayan Basu, Ramji Manoharan, Viswanath Chinthapenta, “Birefringence Imaging Reveals Structural Changes in Human Cornea”, SICE 2022, Hyderabad, December 14-16, 2022.

5. Sai Naga Sri Harsha Ch, Himanshu Gururani, Sayan Basu, Kwong Ming Tse, Viswanath Chinthapenta, “Strain rate sensitivity of fracture toughness of the human cornea in tearing mode”, WCB – Taipei 2022, July 10-14, 2022.

6. Sai Naga Sri Harsha Ch, Himanshu Gururani, Ashutosh Richhariya, Kwong Ming Tse, Viswanath Chinthapenta, “Strain rate sensitivity of fracture toughness of the human cornea in tearing mode”, ARVO – Denver 2022, May 01-04, 2022.

7. Himanshu Gururani,  Sai Naga Sri Harsha Ch,   Ashutosh Richhariya, Ramji Manoharan, Viswanath Chinthapenta, “Investigations on Rabbit Corneal Birefringence using Digital Photoelasticity”, ARVO – Denver 2022, May 01-04, 2022.

8. Imam, Murshid, Sai Naga, Sri Harsha, Himanshu Gururani, Hajime Yamamoto, and Kazuhiro Ito. 2022. “Materials Today : Proceedings Experimental Study on Improving the Additively Manufactured GMAW and TIG Beads Using FSP.” Materials Today: Proceedings. https://doi.org/10.1016/j.matpr.2022.01.154.

9. Sai Naga Sri Harsha Ch, Ashutosh Richhariya, Viswanath Chinthapenta, “Viscoelastic-anisotropic hyperelastic modelling of Cornea”, INCAM 2019, July 3-5, 2019.

10. Mukesh Taneja, Sri Harsha, Ashutosh Richhariya, Rathi Varsha Madanlal, “Cornea Practice in Remote Rural Set Up with the Help of Robotic Tele-Ophthalmic Slit Lamp”, APTOS 2018, Singapore, July 7-8, 2018.

11. Richhariya, Ashutosh; Badakere, Swathi Vallabh; Choudhari, Nikhil; Chittajallu, Sai Naga Sri Harsha; Senthil, Sirisha; Garudadri, Chandrasekhar; “Dynamics of Ahmed Glaucoma Valve® in vitro”, Investigative Ophthalmology & Visual Science, vol. 58, no. 8, pp. 4967, 2017.

12. Mukesh Taneja, Sri Harsha, Ashutosh Richhariya, Rathi Varsha Madanlal, “Taking Eye Care to Rural Population with a Robotized Stereoscopic Teleophthalmic Slit Lamp Biomicroscope”, APTOS 2017, Hong Kong, China, July 15-16, 2017.

13. Mukesh Taneja, Sri Harsha, Ashutosh Richhariya, “Innovative bullseye drop applicator device for self-instillation of eye drops in patients”, IAPB 10GA, Durban, South Africa, October 27-30, 2016.

14. Mukesh Taneja, Sri Harsha, Ashutosh Richhariya, Rathi Varsha Madanlal, “Taking eye care to rural population with a stereoscopic teleophthalmic slit lamp”, IAPB 10GA, Durban, South Africa, October 27-30, 2016.

15. S. N. S. H. Chittajallu, T. R. Ramamohan, and K. R. Thundil, “Formalism for Determining the Force and Torque on a Sphere Moving in a Quiescent Fluid at Arbitrary Reynolds Numbers,” Appl. Mech. Mater., vol. 367, no. June, pp. 78–83, 2013.

16. S. N. S. H. Chittajallu, M. Bansal, A. R. Bedare, and S. Bhat, “Effect of plane stress and plane strain conditions over fracture parameters of ductile plate in SSY (LEFM) and EPFM regimes: A review,” Adv. Civ. Eng. Build. Mater. - Sel. Peer Rev. Pap. from 2012 2nd Int. Conf. Civ. Eng. Build. Mater. CEBM 2012, no. August, 2012.

National Conferences

1. SNSH Chittajallu, H Gururani, S Jakati, PK Vadavalli, S Basu, K M Tse, V Chinthapenta, “Biomechanics of Graft Host Junction in Penetrating Keratoplasty”, ARVO – India 2022, September 9-11, 2022.

2. Himanshu Gururani,  Sai Naga Sri Harsha Ch,   Sayan Basu, Ramji Manoharan, Viswanath Chinthapenta, “Imaging The Polarization Properties Of Cornea Using Digital Photoelasticity: A Pilot In-Vitro Study”, ARVO – India 2022, September 9-11, 2022.

3. Manogna V, Rohit Dhakal, Jagadesh Rao Rudrapankte, Harsha SNS Chittajallu, Manasa K, Rojalin Das, Pavan K Verkicharla, “‘MyLyt’ wearable light tracking device: Development and validation for future myopia research.”, ARVO – India 2022, September 9-11, 2022.

4. Divya Pidishetty, Santosh Damera, Sai Naga Sri Harsha Ch, Rojalin Das, Manogna Vangipuram, K Manasa, Murali Murugavel, Shrikant Bharadwaj, Indumathi Mariappan, “Visual Behavior Assessment In Retinal Degeneration Models Of Zebrafish Using Different Maze Paradigms And Affordable, Cost-Effective Optokinetic Response (OKR) Drum ”, ARVO – India 2022, September 9-11, 2022.

5. Sai Naga Sri Harsha Ch, Himanshu Gururani, Ashutosh Richhariya, Kwong Ming Tse, Viswanath Chinthapenta, “Tearing mode fracture toughness of cornea”, ARVO – India 2021, October 7-10, 2021.

6. Himanshu Gururani,  Sai Naga Sri Harsha Ch,   Ashutosh Richhariya, Ramji Manoharan, Viswanath Chinthapenta, “A study on corneal birefringence behavior using digital photoelasticity”, ARVO – India 2021, October 7-10, 2021.

7. Mukesh Taneja, Sri Harsha, Ashutosh Richhariya, Rathi Varsha Madanlal, “Remote Examination – Drone Slit Lamp”, AIOC 2017, India, February 16-19, 2018.

8. Mukesh Taneja, Sri Harsha, Ashutosh Richhariya, Rathi Varsha Madanlal, “Taking Eye Care to Rural Population with a Robotized Stereoscopic Tele-Ophthalmic Slit Lamp”, AIOC 2017, India, February 16-19, 2017.

9. Mukesh Taneja, Sri Harsha, Ashutosh Richhariya, Dhruv Joshi, “Bulls-Eye Drops Applicator for Instillation of Eye Drops.” T06594, AIOC 2016, India, February 25-28, 2016.

Talks/Seminars

1. Guest Lecture on 25th Aug 2023 at KLH Global Business School, Hyderabad titled “Product Design Specifications – The hidden story behind product development”.

2. Keratoconus Theatre V4, Udipi, 18th – 20th Nov 2022, by Narayan Netralaya, titled “Imaging The Polarization Properties Of Cornea Using Digital Photoelasticity: A Pilot In-Vitro Study”.

3. Confluence: The Annual NN-LVPEI Research Retreat, 2nd July 2022, L V Prasad Eye Institute,  Hyderabad titled “Mechanical Stability of The Human Cornea”.

4. William McKnight Research Seminar on 18th  May 2022 at Bascom Palmer Eye Institute, Miami titled "Delivering remote eye care using a stereoscopic robotized tele-ophthalmic drone slit lamp". 

Book Chapters

1. Ch. Sai Naga Sri Harsha, K. Padmanabhan, and R. Murugan, “Vibrational Properties of a Glass Fabric/Cashew Nut Shell Liquid (CNSL) Resin Composite” Polymeric and Nanostructured Materials Synthesis, Properties, and Advanced Applications, 1st Edition. New Jersey:Apple Academic Press, 49-54, 2018. Print.

2. Ch. Sai Naga Sri Harsha, K. Padmanabhan, “Vibrational Properties of a Glass Fabric/Cashew Nut Shell Liquid (CNSL) Resin Composite” Polymeric and Nanostructured Materials Synthesis, Properties, and Advanced Applications, 1st Edition. New Jersey:Apple Academic Press, 49-54, 2018. Print.

Patents

1. Mukesh Taneja, Ashutosh Rischhariya, Sai Naga Sri Harsha Ch, “DEVICE TO SELF-INSTILL EYE DROPS WITH PRECISION” (Application No. 6512/CHE/2015). Chennai, India: Intellectual Property Office.

2. Rajat Aggarwal, Arunraj Janakiraman, Jasmin Jayendra Joshi, Sai Naga Sri Harsha, “360 DEGREE STEREO SINGLE SENSOR CAMERA”, Application No. 303030, Chennai, India: Intellectual Property Office.

3. Rajat Aggarwal, Arunraj Janakiraman, Jasmin Jayendra Joshi, Sai Naga Sri Harsha, “360 DEGREE STEREO SINGLE SENSOR CAMERA”, Application No. 29640341, USA: United States Patent and Trademark Office.

4. Rajat Aggarwal, Arunraj Janakiraman, Jasmin Jayendra Joshi, Sai Naga Sri Harsha, “360 DEGREE STEREO OPTICS MOUNT FOR DSLR”, Application No. 303031, Chennai, India: Intellectual Property Office.

5. Rajat Aggarwal, Arunraj Janakiraman, Jasmin Jayendra Joshi, Sai Naga Sri Harsha, “360 DEGREE STEREO SINGLE SENSOR CAMERA”, Application No. 29640347, USA: United States Patent and Trademark Office.

6. Gaddam Manoj Kumar, Ashutosh Richhariya, Sai Naga Sri Harsha, Sirisha Senthil, Nikhil Sreeram Choudhari, “A DEVICE TO CONVERT FLOW RESTRICTIVE GLAUCOMA DRAINAGE DEVICES INTO NON-FLOW RESTRICTIVE, AND A METHOD”, Application No. 202041000921, Chennai, India: Intellectual Property Office.

7. Pavan Kumar V, Sai Naga Sri Harsha Ch, Swapnil Thakur, Manasa Kalivemula, Manogna Vangipuram, Rojalin Das, Jesto Raju “OPHTHALMIC DEVICE FOR TESTING PERIPHERAL REFRACTION” (Application No. 202241063233). Chennai, India: Intellectual Property Office.

Reviewer

1. Scientific reports

2. Experimental Eye Research

3. Investigative Ophthalmology and Visual Science

4. Translational Vision Science and Technology