Topic
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Contact Details
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Target
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Recruitment Status
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Short-term effect of Defocus Incorporated Multiple Segments (DIMS) lens on choroidal thickness of schoolchildren
Principal Investigator:
Dr. Ka-man Chun
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Email: cht.dims@polyu.edu.hk
Registration: https://bit.ly/3AUwbGs
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- Children aged between 6-13 years
- Myopia: at least -1.00D in both eyes
- Astigmatism: -4.00D or less
- Anisometropia: 1.50D or less
- No history on myopia control such as myopic control contact lenses and spectacle lenses, orthokeratology or atropine
- No squint (crossed eye), amblyopia (lazy eye) or colour vision deficiencies
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Recruitment in progress.
Spaces are limited and available on a first-come-first-served basis.
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Effectiveness of bright light therapy, myopic defocus and the combinations for controlling myopic eye growth in schoolchildren: A randomized control trial
Principal Investigator:
Prof. Chi-ho To
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Email: rif.adm@polyu.edu.hk
Registration: https://bit.ly/3h8gLr1
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- 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)
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Recruitment in progress.
Spaces are limited and available on a first-come-first-served basis.
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Anterior eye assessmentSubject recruitment
Principal Investigator:
Dr Thomas Lam
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WhatsApp: 5725 7392
Email: cevr.dryeye@polyu.edu.hk
Registration: https://bit.ly/3lYXpId
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- 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
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Recruitment in progress.
Spaces are limited and available on a first-come-first-served basis
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The process of adjusting intraocular pressure in people with non-high and high myopia
Principal Investigator:
Dr Andrew Lam
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Ms Xu
Tel.: 6314 3025
Email: fangyu.xu@connect.polyu.hk
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- Good general health and no ocular diseases
- No history of ocular surgery
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Spaces are limited and available on a first-come-first-served basis
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Monthly disposable orthokeratology lenses (OK lenses) for new wearers
Principal Investigator:
Prof. Pauline Cho
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Dr Peggy Cheung
Tel.: 9250 7717
Email: peggy.cheung@polyu.edu.hk
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- Chinese children aged between 6 and 10
- Both eyes with refractive sphere -0.75 to -4.00 DS; refractive cylinder ≤ -1.50 DC and anisometropia ≤ -1.00 D
- Normal vision, binocular function and accommodative status
- Normal health with no contra-indication for OK lens wear
- No prior experience in contact lens wear and myopia control treatment
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Subject recruitment completed
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Children Myopia Control Research Study
Principal Investigator:
Dr. Henry Chan
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Ms. Wong
Tel.: 5395 4702/ 6570 6030
Email: tkingwong@polyu.edu.hk
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- 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
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Spaces are limited and available on a first-come-first-served basis
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Effect of Caffeine on Ocular Circulation in High Myopes
Principal Investigator:
Dr. Andrew Lam
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Ms. Law
Email:
14017822g@connect.polyu.hk
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- Myopia of at least -6D and astigmatism less than -2D
- Free of ocular and systemic diseases
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Spaces are limited and available on a first-come-first-served basis
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Ocular aberrations in emmetropic schoolchildren
Principal Investigator:
Dr. Rachel Chun and Dr. Jeffrey Leung
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Ms. Yvonne Li
Tel.: 2766 4148
Email:
yvonneyt.li@polyu.edu.hk
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- Hyperopia ≤ +1.50D or Myopia ≤ -0.50D
- Good general health and no ocular diseases
- No strabismus and amblyopia
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Spaces are limited and available on a first-come-first-served basis
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Orthokeratology for High Myopia (OHM)
Principal Investigator:
Prof. Pauline Cho
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Ms. Yang
Tel.: 6486 2435
Email:
grace.yj.yang@connect.polyu.hk
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- Good general health without any chronic diseases
- Myopia: at least -5.00D in both eyes
- Difference between eyes: ≤ 2.00D
- No strabismus, amblyopia or other ocular diseases
- No previous history of myopia control
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Spaces are limited and available on a first-come-first-served basis
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Oculomotor deficits in Parkinson’s Disease
Principal Investigator:
Dr. Allen Cheong
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Ms. Tsang
Tel.: 3400 2913/ 6103 5944
Email: lltsang@polyu.edu.hk
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People with or without Parkinson’s disease are all welcome:
- Able to speak and comprehend Chinese (Cantonese)
- No medical problems, e.g. stoke, etc.
- No medical surgery: e.g. heart surgery, brain surgery, etc.
- No cognitive impairments, e.g. dementia, etc.
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Spaces are limited and available on a first-come-first-served basis
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Impact of excessively illuminated and glare environment on
visual and balance performance during navigation of the visually impaired
Principal Investigator:
Dr. Allen Cheong
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Ms. Suen
WhatsApp/ Tel.: 9734 2120
Email:sovenus@polyu.edu.hk
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- 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
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Spaces are limited and available on a first-come-first-served basis
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Myopia control using optimized optical defocus in schoolchildren – a 12 months randomized double masked control trial
Principal Investigator:
Prof. Carly Lam
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Ms. Zhang
Tel.: 3400 3389
Email:
myopia.control@polyu.edu.hk
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- Myopia between -1.00 to -5.00 D
- No prior use of any drugs or optical devices of myopia control
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Spaces are limited and available on a first-come-first-served basis
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