She is a licensed optometrist and contact lenses practitioner. She graduated from National University of Malaysia as Bachelor Degree in Optometry (Hons). She has experienced and work in various clinical setting, which include Sunway Medical Centre, Optimax, Lion Eye Centre, KL Eye Centre, Chung Optometry, Malaya Optical and etc. Ms Khew has a deep passion to ensure client achieve the best vision under her assessment. It makes the difference if customer received the most appropriate advice from an experience optometrists

**Under Optical Act 1991, Law of Malaysia, optometrist certified by Malaysian Optical Council can only practice optometric field.

Mr Yap is an experienced optometrist, graduating from National University of Malaysia in 1996. Upon graduation, he joined the National Eye Hospital, Tun Hussien Onn Eye hospital for 11 years. In Tun Hussien Onn Eye Hospital, he was given various opportunities to participate in international program. These include Cornea and Contact Lenses Research Centre Program (Sydney, Australia) which later an educator program.  Other includes, the National Focal Person for Low Vision, which organized by World Health Organization. Mr Yap has given various public health talks on refractive error, low vision and contact lenses, both at local hospitals and international conferences.

Mr Yap continues his career in setting up optometry unit at Prince Court Medical Centre a six star rated hospital. Prince Court Medical Centre is the leading healthcare provider in Asia, offering comprehensive medical care to the highest international standards through world-class facilities, innovative technology & excellent customer services.

Mr Yap left Prince Court in 2012 and heads the optometry services in ISEC Penang. ISEC Penang is a subspecialist eye care which offer state of the art eye treatment. Mr Yap provide optometrist services especially for pediatric and geriatric needs.