The Zero Residual™ 30G needle is available in two sizes: 1/2" (13mm) and 3/8" (9mm).
The Zero Residual™ 33G needle is available in 3/8" (9mm).
The Zero Residual™ 25G needle is available in 1" (25mm).
The Zero Residual™ 23G needle is available in 1" (25mm) .
All Zero Residual™ needles are designed to fit exactly on all Zero Residual™ syringes. This allows for zero waste of medicine. Each batch is also tested for sharpness before release to ensure the highest quality.
For intravitreal use we recommend our 30G & 33G x 9mm needle as short needles tend not to bend as easily resulting in a smoother penetration of the eye. When using an Precivia® (formerly called Invitrea®) we recommend our 30G x 13mm needle to ensure a sufficiently deep penetration in the eye.