Retraction. Polyurethane hydrogel colored contact lens with gradient water content.
Chen
Yongjun
Y
Oculus Ltd., Jalan Mesin, Singapore 368813.
Narayanswamy
Babu
B
Oculus Ltd., Jalan Mesin, Singapore 368813.
Chew
Mike
M
Oculus Ltd., Jalan Mesin, Singapore 368813.