The Foundation
Retina South Africa is a registered Non-Profit Organisation (NPO 003-184) and Public Benefit Organisation (PBO 930 001 585) with B:BBEE status. Sponsorship of certain aspects of our work are tax deductible under Section 18a of the Income Revenue Act.
Retina South Africa is a patient-driven action group that has offices or groups in all the major centres in South Africa. Our major focus is:
- Support of the Retinal Degeneration Research project at the University of Cape Town to find the genetic mutations in South African families
- Facilitation of genetic testing to identify those patients who will benefit from clinical trials and imminent therapy
- Public Awareness of retinal degeneration
- Patient support including education, referral and intervention
- Collaboration with local and international agencies and researchers
- Fund raising to support this work
We are founding members of Retina International with headquarters in Ireland.
Membership is open to all patients, family members and persons who wish to support our quest to find treatments for Retinal blinding conditions.
Our Vision
To ensure that all South Africans with retinal conditions have access to appropriate treatments
Our Mission
- To empower people with low vision to be productive members of society through information-sharing, training, counselling and other services.
- To support research into retinal conditions and to ensure that this benefits all South Africans
- To market Retina South Africa, to raise awareness and to raise funds
National Management Committee
Chairperson – Vacant
Mariza Jürgens (Vice Chairperson)
Mariza Jürgens serves as the Vice Chairperson of Retina South Africa, having previously held the position of Chairperson as well as Chair of the North Gauteng branch. Living with Cone-Rod Dystrophy herself, she is a dedicated advocate for accessibility and support for persons with retinal conditions. She is also a member of the National Executive Committee of the South African National Council for the Blind, serves on the board of governors of Tape Aids for the Blind, and is a member of the World Health Organization’s Technical Advisory Group on Assistive Technology.
Jean Bowler (Treasurer)
Jean has been Treasurer of Retina South Africa since 1990. She is Financial Director and Financial manager of various Companies. She volunteers her sparse free time to keep close financial check on the finances of Retina South Africa.
She is meticulous and her fiscal control is exemplary. Her contribution to Retina South Africa over the last 30 years is beyond measure as neither her nor her family have a retinal condition.
Claudette Medefindt (Secretary)
Claudette Medefindt has been a fulltime volunteer with Retina South Africa since 1980. She is the National Secretary and Head of Science and Patient Services. She is Deputy President of Retina International and lectures extensively both locally and internationally. She is secretary to Retina South Africa’s Scientific and Medical Advisory Board. Claudette writes and edits the quarterly E-News. Claudette is a trained peer counsellor and counsels newly diagnosed patients. Claudette has Retinitis Pigmentosa.
Renesh Singh
Is a technologist with experience across the various IT sectors including IT architecture, development and security.
He also has a passion for assisting, educating and advocating for change in the technology sector, thus enabling people with vision loss live their best lives.
Renesh has had a retinal condition since he was 8 as such, he has a wealth of experience in the issues that people with vision loss suffer with in their daily lives, and he has seen the amazing ability that they have to overcome these issues with their creativity, ingenuity and the support of the community.
He continues to study and research ways through technology, processes and tools that visually impaired persons can use to make their lives better, while working with charities and employers to advocates for the change that is needed to make their lives better.
Anton van Rooyen
Anton van Rooyen is the owner of Sight seekers, Consultants & Suppliers of assistive Solutions for the Visually Impaired. He is affected by Stargardts Dystrophy, a form of Macular Dystrophy.
Anton served on the Management Committee of Retina South Africa as Vice Chairman.
His musical career started at the age of 7 when he studied classical cello and went on from there to become a professional musician, playing at venues in all the major South African cities as well as in neighbouring Southern African countries.
Ferdi Danzfuss
Ferdie has been a member of Retina South Africa since 2000 and currently serves as Chairman of the IT Steering Committee. He holds a Master’s degree in Computer Science from the University of Pretoria and has over 30 years of experience as a professional software developer. As the founder of Mobilica, he specialises in mobile application development and has a particular passion for accessibility technology, working to develop AI-powered assistive solutions for blind and visually impaired South Africans. Ferdie has Stargardt disease.
Pieter Lindeque
Pieter Lindeque is an educator and founder driven by a passion for accessible learning.
Diagnosed with Stargardt’s disease at age 10, he overcame early uncertainty through resilience, faith, and the support of his family.
Inspired by his own journey, Pieter established an online training and tutoring platform to empower learners with visual impairments. His approach focuses on patience, inclusivity, and lifelong learning—helping others build confidence and reach their full potential.
He is the new head of our Youth Council.
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