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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

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