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Mr. Chunghim SO | Mr. Dong LIANG | Mr. Milan RAI | Ms. Jing ZHANG | Ms. Shuwen JIA | Ms. Wing Yan LAU | Ms. Yingkun CUI | Ms Jingfang Jennifer BIAN | Mr Shashi Kant CHAUDHARY | Ms Meng CHENG | Mr Ka Wai Jimmy CHEUNG | Ms Hang I Christie LAM | Ms Hoi Lam LI | Ms Sonal Aswin VYAS | Mr Kin Ken WAN | Ms Biyue GUO | Ms Li PAN | Ms Qi TAN | Mr Mezbah UDDIN | Ms Rong LI | Ms. Yuanyuan LIANG | Ms Anqi LYU | Mr Ying Hon SZE | Ms Qin WANG | Ms Hanyu ZHANG | Ms Wei YANG | Ms Mei ZHAO | Ms Yajing YANG | Ms Fangyu XU | Mr Sung Hei Jimmy TSE | Ms. Seen Hang CHAN | Mr. CHAN Kin Ho | Ms. AYERAKWAH Patience Ansomah | Mr. SO Ching | Mr. CATRAL Kirk Patrick Carreon | Mr. LIU Zhengji | Mr. LU Daqian | Ms. QIU Chunting | Mr. YANG Xiayin

About us > Our People > Research Students > Ms Biyue GUO


Ms Biyue GUO

Ms Biyue GUO
PhD Student (Part-time)

ORCiD 0000-0001-6282-8143

Title of project:
Variation of Orthokeratology Lens Treatment Zone (VOLTZ) Study

During orthokeratology (ortho-k) treatment, the central cornea will be flattened and the periphery cornea will be steepened in shape of a ring. This central flattened area is referred as the treatment zone (TZ). The ring of steepened cornea after ortho-k has been hypothesized to play an important role in myopia control and higher myopia reduction has been associated with smaller TZ. However, to date, there is no published studies reporting how changing the TZ could affect myopia control in ortho-k treatment. If TZ plays a role in myopia control, then reducing the diameter of TZ may enhance the myopia control effect. This study aims to investigate the effects of modified TZ by reducing the lens back optic zone diameter on the effect of myopia control.


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