Krishna Shah, M.Optom

Optometrist, Department of Contact Lens, Sankara Nethralaya, Chennai, India



Have you ever wondered how humans and other creatures perceive the world around them? Welcome to the fascinating world of vision science! From decoding the mysteries of conscious visual perception to harnessing the power of artificial intelligence for medical imaging, Vision science is an ever-evolving multidisciplinary field that never fails to amaze. In this blog, we will take you on a journey through some ground-breaking discoveries and futuristic innovations that are revolutionising the way we see the world.

Unleashing the Power of Artificial Intelligence (AI) in Vision

Imagine a world where machines can interpret medical images with unrivalled accuracy, leading to early detection and treatment of eye diseases. Thanks to artificial intelligence (AI) and machine learning algorithms, this vision has become a reality. AI-powered systems can now analyse retinal scans and OCT images, predicting disease progression and optimising treatment plans. But that is not all; AI’s applications extend to autonomous vehicles and object recognition, making it a cornerstone of modern vision science. (1)

Bionic Eyes and Beyond: A Glimpse into Vision Restoration

Peering into the future, we find ourselves at the forefront of vision restoration technology. Retinal prosthetics, the marvels of scientific ingenuity, are capable of granting sight to those once shrouded in darkness. By stimulating functional cells in the retina, these devices have given hope to individuals with certain types of blindness. But the wonders do not end there; gene therapy is paving the way for potential cures for inherited retinal diseases, while optogenetics explores the possibility of manipulating vision using the power of light.(2,3)

Where Science Meets Imagination: The Rise of Bionic Eyes

From science fiction to reality, bionic eyes have leaped from the pages of novels into the lives of those in need. Delve into the realm of artificial corneas and retinal implants, where electronic wonders spark light and shapes in the eyes of the visually impaired. Witness the transformative power of stem cell therapy as it offers new hope for regenerating damaged eye cells and restoring sight. As we unravel the secrets of optic nerve regeneration, a brighter future for those with glaucoma and optic neuropathy comes into view.(4)

Vision 2.0: Virtual Reality and Ocular Drug Delivery

Step into the realm of virtual reality where vision therapy takes on a whole new dimension. Immerse yourself in virtual environments designed to enhance visual function and coordination in individuals with visual impairments. And as we explore the possibilities of ocular drug delivery systems, we find innovative implants, nanoparticles, and punctal plugs that ensure medications reach their targets with precision, reducing the burden of frequent administration.(5)

Beyond the Horizon: 3D-Printed Ophthalmic Devices and Neuro-engineering

In the realm of precision and customization, 3D printing opens doors to ophthalmic wonders. Patient-specific prosthetics, ocular implants, and surgical instruments are but a few of the limitless possibilities that offer tailored solutions for everyone. Meanwhile, neuro-engineering continues to push boundaries, with visual prosthetic devices bypassing damaged parts of the visual system to restore sight, offering a glimpse into the future of human potential.(6)


Our expedition through the realm of vision science, we are left in awe of the marvels that researchers and scientists have unveiled. From AI-powered medical imaging to bionic eyes and beyond, the journey to understand and improve human vision has been nothing short of extraordinary. As we eagerly await what the future holds, let’s celebrate the visionaries who illuminate our world with ground-breaking discoveries and innovations in vision science.



  1. Schmidt-Erfurth, U., Sadeghipour, A., Gerendas, B. S., Waldstein, S. M., & Bogunović, H. (2018). Artificial intelligence in retina. Progress in retinal and eye research67, 1-29.
  2. Han, N., Srivastava, S., Xu, A., Klein, D., & Beyeler, M. (2021, February). Deep learning–based scene simplification for bionic vision. In Proceedings of the Augmented Humans International Conference 2021(pp. 45-54).
  3. Shim, S., Eom, K., Jeong, J., & Kim, S. J. (2020). Retinal prosthetic approaches to enhance visual perception for blind patients. Micromachines11(5), 535.
  4. Barriga-Rivera, A., Bareket, L., Goding, J., Aregueta-Robles, U. A., & Suaning, G. J. (2017). Visual prosthesis: interfacing stimulating electrodes with retinal neurons to restore vision. Frontiers in neuroscience11, 620.
  5. Bloch, E., Luo, Y., & da Cruz, L. (2019). Advances in retinal prosthesis systems. Therapeutic advances in ophthalmology, 11, 2515841418817501.
  6. Sommer, A. C., & Blumenthal, E. Z. (2019). Implementations of 3D printing in ophthalmology. Graefe’s Archive for Clinical and Experimental Ophthalmology, 257, 1815-1822.