Karthika Pandurangan

Graduate Research Scholar, Masters in Optometry, Elite School of Optometry

1 article

Karthika Pandurangan is a graduate research scholar at the Elite school of optometry, a unit of Medical research foundation in collaboration with SASTRA Deemed University, Thanjavur. She did her undergraduate degree at Elite of School of Optometry affiliated with BITS Pilani, Rajasthan between 2013-3017. She has worked as an optometrist for 2 years in the general out patient department, Sankara Nethralaya Eye Hospital. During her tenure, she gained a one-year experience in the field of ocular electrodiagnostics. As a graduate research scholar, she also plays a role of teaching assistant and assistant guide for the undergraduate optometry students. She is a co-author of a publication titled Status of Eye Health among Tribal School Children in South India published in the Indian journal of optometry. Her area of interest includes the ocular electrodiagnostics and Visual psychophysics. She is currently working on the early ocular structural and functional changes seen in diabetic retinopathy.

  1. Articles 1 Apr 2021 43 min read

    Visual Electrophysiology Made Simple for the Postgraduates

    Visual electrophysiology is an extremely useful tool to study the retinal function objectively. It assesses the functional aspects of not only the retina but also the visual pathway as a whole. Even in this era of advanced imaging, one cannot ignore the importance of the functional aspects of the cellular network in the retina. The commonly used tests with their salient applications are enumerated in Table 1. S.no Test Application 1. Electroretinogram(ERG) Elicits mass response from the Retina 2. Electro-oculogram(EOG) Assesses the function of the Retinal pigment epithelium 3. Pattern ERG(PERG) Differentiates macular and optic nerve pathology 4. Multifocal ERG(MfERG) Picks up focal retinal pathology and maps out the topography 5. Photopic Negative Response(PhNR) Tests the function of retinal ganglion cells 6. Visual Evoked Potentials(VEP) Assesses the visual pathway up to the occipital cortex 7. Multifocal VEP(MfVEP) Picks up focal dysfunction of the visual pathway and maps the topogra