Dr Keet graduated from the University of Pretoria in 1987. He is a fellow of the College of Ophthalmologists of South Africa as well as the Royal College of Surgeons of Edinburgh. He underwent specialist training in Ophthalmology at Groote Schuur Hospital and The University of Cape Town from 1992 to 1996. He spent the following year in Dublin, Ireland where he completed a fellowship in Cataract and Refractive Surgery.

At the end of 1997, Dr Keet returned to South Africa and founded The Eye Centre. In 1998 he established the eye clinic for indigent patients at Helderberg Hospital, which remains in service.

Dr Keet has a keen interest in cataract and refractive surgery and treats all other general eye conditions such as glaucoma, diabetic eye disease, age-related macular degeneration and squints.

He is an active member of the Ophthalmological Society of South Africa (OSSA), the South African Glaucoma Society (SAGS), the Southern African Society of Cataract and Refractive Surgery (SASCRS) and the European Society of Cataract and Refractive Surgeons (ESCRS).

Dr Lenake is an associate specialist at The Eye Centre. She also holds sessional consultant positions at Groote Schuur Hospital and Red Cross Children’s Hospital.  She completed her medical degree at Stellenbosch University in 2005 and her specialist training at Groote Schuur Hospital in Cape Town in 2013. She underwent further subspecialist training in oculoplastic surgery at The Royal Victorian Eye and Ear Hospital in Melbourne, Australia where she completed the Orbital, Plastics and Lacrimal Fellowship under the guidance of Professor Alan McNab.
 
In 2012, she was the recipient of the Justin van Selm medal, which is awarded to outstanding candidates in the fellowship examination of the College of Ophthalmologists of South Africa. She was also awarded her MMed degree with distinction from the University of Cape Town in 2013. Dr Lenake treats general eye conditions such as cataracts, glaucoma, age-related macular degeneration and diabetic eye disease.
 
She also has a special interest in the medical and surgical treatment of oculoplastic conditions in adults and children. This includes common eyelid malpositions such as ectropion, entropion, ptosis (droopy eyelid), excessive eyelid skin and cosmetic surgery. She treats tearing conditions of the eye and performs tear duct surgeries via both the external and endoscopic (scarless) methods.  She also specialises in the management of orbital conditions such as thyroid eye disease, orbital fractures and tumours around the eye.
 
She is experienced in Botox injections for medical conditions such as hemifacial spasm and blepharospasm. She also has a special interest in the non-surgical aesthetic rejuvenation of the face and eyes with the use of Botox and fillers.
 
Dr Lenake continues to be actively involved in the oculoplastic community – she is the immediate past president of the South African Society of Oculoplastic Surgeons (SASOPS) and a member of the American Society of Ophthalmic Plastic and Reconstructive Surgery (ASOPRS). She attends regular national and international meetings.