Research Subject Recruitment | School of Optometry

Research Subject Recruitment

Topic		Target	Recruitment Status
Effectiveness of bright light therapy, myopic defocus and the combinations for controlling myopic eye growth in schoolchildren: A randomized control trial	Principal Investigator Prof. To Chi-ho Enquiry Email: rif.adm@polyu.edu.hk Registration: https://bit.ly/3h8gLr1	Children aged between 7 -12 years Myopia between -0.75D to -5.00 D Astigmatism: less than ≤ -1.50 D No history on myopia control such as atropine, orthokeratology, or myopic control contact lenses and spectacle lenses No squint (crossed eye) or amblyopia (lazy eye)	Recruitment in progress. Spaces are limited and available on a first-come-first-served basis.
Anterior Eye Assessment	Principal Investigator Dr Thomas Lam Enquiry WhatsApp: 5725 7392 Email: cevr.dryeye@polyu.edu.hk Registration: https://bit.ly/3lYXpId	Age 13 years old or above (parental consent is required for participants aged under 18 years old) Lived in Hong Kong for at least 3 years	Recruitment in progress. Spaces are limited and available on a first-come-first-served basis.
The process of adjusting intraocular pressure in people with non-high and high myopia	Principal Investigator Dr Andrew Lam Enquiry Ms Xu Tel.: 6314 3025 Email: fangyu.xu@connect.polyu.hk	Aged 20-30 Myopia ≥ -12.00D Good general health and no ocular diseases No history of ocular surgery	Recruitment in progress. Spaces are limited and available on a first-come-first-served basis.
Children Myopia Control Research Study	Principal Investigator Dr Henry Chan Enquiry Ms Wong Tel.: 5395 4702 / 6570 6030 Email: tkingwong@polyu.edu.hk	Aged 8-12 Myopia between -1.00 to -4.00 D Astigmatism: less than half of spherical error No systemic diseases or ocular abnormalities Suitable candidate for orthokeratology No history of ocular surgery No history on myopia control such as orthokeratology lenses, atropine treatment or any myopia control lenses	Spaces are limited and available on a first-come-first-served basis
Effect of Caffeine on Ocular Circulation in High Myopes	Principal Investigator Dr Andrew Lam Enquiry Ms Law Email: 14017822g@connect.polyu.hk	Aged 20-29 or 40-49 Myopia of at least -6D and astigmatism less than -2D Free of ocular and systemic diseases Non-smoker	Spaces are limited and available on a first-come-first-served basis
Orthokeratology for High Myopia (OHM)	Principal Investigator Prof. Pauline Cho Enquiry Ms Yang Tel.: 6486 2435 Email: grace.yj.yang@connect.polyu.hk	Aged 7-13 Good general health without any chronic diseases Myopia: at least -5.00D in both eyes Astigmatism: ≤ 1.50D Difference between eyes: ≤ 2.00D No strabismus, amblyopia or other ocular diseases No previous history of myopia control	Spaces are limited and available on a first-come-first-served basis
Oculomotor deficits in Parkinson’s Disease	Principal Investigator Dr Allen Cheong Enquiry Ms Tsang Tel.: 3400 2913/ 6103 5944 Email: lltsang@polyu.edu.hk	People with or without Parkinson’s disease are all welcome: Aged 40-70 Good vision Able to speak and comprehend Chinese (Cantonese) No squint or lazy eye No known eye diseases No medical problems, e.g. stoke, etc. No medical surgery: e.g. heart surgery, brain surgery, etc. No cognitive impairments, e.g. dementia, etc.	Spaces are limited and available on a first-come-first-served basis
Impact of excessively illuminated and glare environment on visual and balance performance during navigation of the visually impaired	Principal Investigator Dr Allen Cheong Enquiry Ms Suen Tel.: 9734 2120 Email: sovenus@polyu.edu.hk	Aged 50-65 Able to walk independently without aids No fall history in recent three months Good vision, no known eye disease or eye surgery history No hearing problem or significant medical history e.g. stoke, cancer, heart disease or cognitive impairment etc Able to speak Cantonese and read Traditional Chinese	Spaces are limited and available on a first-come-first-served basis
Myopia control using optimized optical defocus in schoolchildren – a 12 months randomized double masked control trial	Principal Investigator Prof. Carly Lam Enquiry Ms Zhang Tel.: 3400 3389 Email: myopia.control@polyu.edu.hk	Aged 8-13 Myopia between -1.00 to -5.00 D Astigmatism ≤ -1.00 D No ocular diseases No prior use of any drugs or optical devices of myopia control	Spaces are limited and available on a first-come-first-served basis