Tien Trinh 

Owner and Optometrist


Tien completed a Bachelor of Optometry from the University of New South Wales (UNSW) in 2004, and has spent the last 13 years refining her skills in optometry practices across Sydney, Brisbane and Adelaide. Tien is also trained in Ocular Therapy. 

Tien's passion for optometry and eye-wear led her to open The Pinhole Effect store in early 2014, providing Adelaide with a refreshingly unique selection of spectacle frames, hand-picked from all corners of the world!

Joseph Del Bono 

Optical Dispenser and Eyewear Afficionado


Joseph has been working as an optical dispenser for over 17 years across a range of specialist optical stores, as well as experience in frame design and lens production. 

Always a friendly face, Joseph has a keen eye for what's cool, in style.

If you visit during the week you will be swept up off your feet by Joseph's wealth of eye-wear knowledge and true expertise in finding the right piece for you. 

bianca kwong

Optical Dispenser


Bianca has been working as an optical dispenser for over 6 years. 

When visiting on weekends, you will be greeted by Bianca's welcoming smile and her enthusiasm to find the perfect frame for you, complimentary to your unique personality and features. 

Bianca is currently working part-time while studying at University. 


Optical Dispenser


Karen is the newest member of The Pinhole Effect team, with over 10 years of optical experience as well as 30 years of retail. 

Karen is a keen organiser, not to mention having incredible attention to detail, which is attributed to her talents in home styling and renovating furniture. She can fit a frame to a face a mile away!