Casha has been practicing as an optometrist since qualifying from the University of Johannesburg in 1991. Over the years she has furthered her knowledge and cultivated her passion for binocular vision, visual therapy and neuro-optometry. She completed the CAS in Diagnostics and Binocular Vision from the New England College of Optometry and has attended numerous courses in visual therapy and binocular vision in the United Kingdom. She is an accredited member of the British Association of Behavioral Optometrists. Casha has a special interest in neuro optometry and is a member of the Neuro Optometric Association. She is currently working towards her fellowship in this field of expertise.