Mr Vishwanath is a Consultant Ophthalmologist at the internationally famous Manchester Royal Eye Hospital. He is the lead for the management of squints (adults and children) and neuro-ophthalmic diseases. He was the audit lead of the hospital till recently.

He completed his medical degree in India before completing his post-graduate training in Ophthalmology in India gaining the Diploma in Ophthalmology. He then moved to the UK to continue his higher specialist training in Wales and Manchester. He gained the fellowship of The Royal College (FRCSEd) in 1993. He then underwent further sub-specialist training in the fields of paediatric ophthalmology (Children's eye diseases) at the Great Ormond Street Hospital, London, under Prof Ken Nischal and Prof. David Taylor. More training in Strabismus ( squint) and Neuro-Ophthalmology followed at Manchester and Liverpool under Mr Ansons and Mr Marsh. He mastered the craft under the tutelage of above people who are written text books in these subjects.

He understands any eye problem can be a matter of concern to patients and arranges to see them promptly at his practises at Alexandra Hospital and Manchester Royal Eye Hospital. 

He is an accomplished cataract surgeon with more than 4000 surgeries to date. He is one of the few doctors who can carry out the surgery of ECCE for dense cataracts. Surgery is done customised to patient needs.

Across Greater Manchester, lancashire and Cheshire patients are refrred to him for squint surgery. He carries out tailor made surgery for squints using technique of adjustable stitches. He has. carried out over 1000 botox correction of squint for those not keen on surgery. He provides relief from double vision using prisms, special filters on glass, botox and surgery.

As one of the handful of neuro-ophthalmologists across the whole of the northwest region, he has helped a lot of patients suffering from loss of vision, optic neuritis, stroke, brain tumors, hemianopia, pupil disorders, lid spasms, MS, swollen optic discs etc. 

 His expertise in ultrasound diagnosis of eye diseases is sought after by eye specialists in the region.

He is an honorary lecturer of Manchester University. Doctors from the UK and abroad come to him for specialist training because of his expertise and reputation. 

He is active in research and has presented many scientific papers in national and international meetings. He has several publications in peer-reviewed medical journals. He is a reviewer for the strabismus section of British Journal of Ophthalmology.