Eye Health in Children and Adolescents: Repeated Cross-sectional Survey
- Conditions
- Visual Acuity
- First Posted Date
- 2020-06-16
- Last Posted Date
- 2020-07-24
- Target Recruit Count
- 300
- Registration Number
- NCT04433130
- Locations
- 🇨🇳
Zhongshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong, China
A Randomized Study of Smile Exercise for Dry Eye
- Conditions
- Dry EyeKeratoconjunctivitis SiccaCorneal DiseasesConjunctival DiseasesEye Diseases
- Interventions
- Behavioral: smile exerciseDrug: 0.1% sodium hyaluronate eye drop
- First Posted Date
- 2020-06-09
- Last Posted Date
- 2024-05-14
- Target Recruit Count
- 299
- Registration Number
- NCT04421300
- Locations
- 🇨🇳
Zhonshan Ophthalmic Centre, Guangzhou, Guangdong, China
Effect of Ginkgo Biloba Capsule on Visual Function of Primary Open-angle Glaucoma With Blood Stasis Syndrome
- Conditions
- Primary Open Angle GlaucomaDrug Effect
- Interventions
- Drug: Placebos
- First Posted Date
- 2020-04-06
- Last Posted Date
- 2020-04-06
- Target Recruit Count
- 512
- Registration Number
- NCT04334564
- Locations
- 🇨🇳
Zhognshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong, China
UCP (Ultrasound Cyclo Plasty) in the Treatment of Chinese Patients With Primary Open-angle Glaucoma
- Conditions
- Glaucoma, Primary Open AngleGlaucoma
- Interventions
- Procedure: ultrasound cyclo plasty
- First Posted Date
- 2020-03-25
- Last Posted Date
- 2020-03-25
- Target Recruit Count
- 60
- Registration Number
- NCT04321122
- Locations
- 🇨🇳
Zhognshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong, China
Corneal Biomechanical Changes of Allergic Conjunctivitis
- Conditions
- Conjunctivitis, AllergicKeratoconus
- First Posted Date
- 2020-03-06
- Last Posted Date
- 2020-03-06
- Target Recruit Count
- 100
- Registration Number
- NCT04299399
- Locations
- 🇨🇳
Zhongshan Ophthalmic Center, Sun Yat-Sen University, Guangzhou, China
A Multi-center Study of the Effect of Orthokeratology on Myopia Progression
- Conditions
- Myopia
- Interventions
- Device: Orthokeratology lenses
- First Posted Date
- 2020-02-25
- Last Posted Date
- 2020-02-28
- Target Recruit Count
- 1000
- Registration Number
- NCT04284111
- Locations
- 🇨🇳
Nanchang Bright Eye Hospital, Nanchang, Jiangxi, China
🇨🇳Jinan Bright Eye Hospital, Jinan, Shandong, China
🇨🇳Zhongshan Ophthalmic Center (Haizhu Branch), Sun Yat-sen University, Guangzhou, Guangdong, China
The Role of Ophthalmologic Tests and EEG Imaging in Alzheimer's Disease
- Conditions
- Mild Cognitive Impairment
- Interventions
- Diagnostic Test: observational
- First Posted Date
- 2020-02-20
- Last Posted Date
- 2021-04-01
- Target Recruit Count
- 60
- Registration Number
- NCT04277767
- Locations
- 🇨🇳
Zhongshan Ophthalmic Center, Guangzhou, Guangdong, China
Study on Intraocular Structural Parameters and Surgical Effect Before and After the Onset of Malignant Glaucoma
- Conditions
- GlaucomaMalignant Glaucoma
- First Posted Date
- 2020-01-07
- Last Posted Date
- 2020-01-07
- Target Recruit Count
- 60
- Registration Number
- NCT04220879
- Locations
- 🇨🇳
Zhognshan Ophthalmic Center, Sun Yat-sen University, Guangzhou, Guangdong, China
Effect of UMSCs Derived Exosomes on Dry Eye in Patients With cGVHD
- Conditions
- Dry Eye
- Interventions
- Drug: Umbilical Mesenchymal Stem Cells derived Exosomes
- First Posted Date
- 2019-12-30
- Last Posted Date
- 2022-02-11
- Target Recruit Count
- 27
- Registration Number
- NCT04213248
- Locations
- 🇨🇳
Zhongshan Ophthalmic Center, Guangzhou, Guangdong, China
Productivity Study of Presbyopia Improvement in Textile Workers
- Conditions
- Presbyopia
- Interventions
- Device: Presbyopic Glasses/ Intervention Group
- First Posted Date
- 2019-11-21
- Last Posted Date
- 2019-12-11
- Target Recruit Count
- 136
- Registration Number
- NCT04172935
- Locations
- 🇨🇳
Gaoming, Foshan, Guangdong, Foshan, Guangdong, China