Clinical trials: Hyperopia
Hyperopia, Farsightedness
The Emmetropization Via Accommodation (EVA) - II Study
To determine if wearing a novel treatment during a 15-month period will enhance emmetropization in 4-month-old infants who have demonstrated poor ocular accommodation (eye focusing).
- Conditions
- Hyperopia, Farsightedness, Hypermetropia
- Trial name
- EVA-II (NCT07838597)
- Testing
- Experimental treatment arm
- Where
- United States
- Volunteers
- 52 people
- Sponsor
- Ohio State University
Myopia Progression
Factors Influencing Physiological Hyperopia in Children
The trend of myopia in children and its low age is a major social and public health problem in China. More seriously, retinopathy associated with high myopia has become the number one cause of irreversible blinding eye disease in…
- Trial name
- NCT06498947
- Testing
- This study was observational with no intervention.
- Where
- China
- Volunteers
- 1,006 people, healthy volunteers welcome
- Sponsor
- Beijing Tongren Hospital
Ocular Surface Disease, Irregular Astigmatism
Evaluation of the Safety and Efficacy of Rigid Breathable Scleral Contact Lenses for the Correction of Ametropia
To evaluate the short-term efficacy and safety of scleral contact lens in the clinical treatment of patients with irregular astigmatism after corneal transplantation by analyzing ocular parameters and ocular surface conditions of…
- Conditions
- Ocular Surface Disease, Irregular Astigmatism, Contact Lens Complication, Corneal Astigmatism
- Trial name
- NCT06256770
- Where
- China
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Myopia, Hyperopia
Evaluation of Effectiveness of Correcting Refractive Error With Ready-made Spectacles
This research project will compare two methods of correcting refractive error (long or short-sightedness) with spectacle lenses.
- Conditions
- Myopia, Hyperopia, Astigmatism
- Trial name
- RECS (NCT00657670)
- Testing
- Ready-made spectacles, Spectacles
- Where
- 2 sites in China, India
- Volunteers
- 800 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Myopia, Hyperopia
High Refractive Index Material 510(k)
The purpose of this study is to establish the substantial equivalence of the HDS HI 1.54™ to the paflufocon C material control lenses to correct myopia and hyperopia with and without astigmatism.
- Trial name
- PVS-07-07 (NCT00766168)
- Testing
- HDS HI 1.54; pahrifocon A, FluoroPerm 30 RGP; paflufocon C
- Where
- 8 sites in United States
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- CooperVision International Limited (CVIL)
Anisometropia, Hyperopia
Photorefractive Keratectomy for Severe Anisometropia and Isoametropia Associated With Amblyopia
Photorefractive keratectomy (PRK) with excimer laser has been used successfully to treat myopia, hyperopia, and astigmatism in adults for over 35 years.
- Conditions
- Anisometropia, Hyperopia, High Myopia, Amblyopia Isometropic
- Trial name
- NCT03610997
- Testing
- Photorefractive keratectomy
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- Baylor College of Medicine
Astigmatism, Myopia
Short-term Study of Two Soft Contact Lenses in Wearers With Low Astigmatism
The primary objective of the study is to evaluate and compare the performance of two soft contact lens.
- Conditions
- Astigmatism, Myopia, Hyperopia
- Trial name
- NCT06873048
- Testing
- Control Contact Lens (stenfilcon A Sphere), Test Contact Lens (stenfilcon A Toric)
- Where
- Canada
- Volunteers
- 32 people
- Sponsor
- CooperVision International Limited (CVIL)
Myopia, Ear Acupressure Pellets
Effects of Auricular Point Pressing With Pellets in Children With Insufficient Hyperopia Reserve
This project aims to address the trend of early onset and high myopia among children in China by focusing on insufficient hyperopia reserve, a key early warning indicator for myopia.
- Conditions
- Myopia, Ear Acupressure Pellets, Hyperopia Reserve, Low-concentration Atropine Eye Drops
- Trial name
- NCT07475585
- Testing
- Ear acupoint pressure pellet intervention group, Atropine intervention group, Joint intervention Group
- Volunteers
- 380 people, healthy volunteers welcome
- Sponsor
- Fangbiao Tao
Hyperopia
Hyperopia Treatment Study 1 (HTS1) - Glasses vs Observation
The purpose of this study is to compare visual acuity outcomes and development of strabismus after a 3-year follow-up period in children age 12 to <72 months with moderate hyperopia (spherical equivalent +3.00D to +6.00D) who are…
- Trial name
- HTS1 (NCT01515475)
- Testing
- Glasses
- Where
- 2 sites in United States
- Volunteers
- 249 people
- Sponsor
- Jaeb Center for Health Research
Hyperopia, Farsightedness
Correction of Farsightedness in Children Study
The Correction of Hyperopia In Children Study (CHICS) is a placebo-controlled, randomized, masked investigation of the effect of spectacle correction for moderate amounts of hyperopia on visual function, attention, and reading…
- Trial name
- CHICS (NCT00472212)
- Testing
- Spectacles, Control
- Where
- 4 sites in United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Myopia, Refractive Errors
School-based Myopia Prevention Trial for Children With Adequate Hyperopic Reserve
This is a prospective, school-based randomized controlled trial designed to evaluate a wearable device-supported outdoor activity program for myopia prevention in primary school students with adequate hyperopic reserve.
- Conditions
- Myopia, Refractive Errors, Hyperopia
- Trial name
- SPARK (NCT07746752)
- Testing
- Wearable Device-Supported Myopia Prevention Program, Eye Health Education
- Where
- China
- Volunteers
- 104 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Myopia, Astigmatism
Safety and Efficacy Evaluation of a New Contact Lens Disinfecting Solution in Soft Contact Lens Wearers
The purpose of this study is demonstrate substantial equivalence of an investigational contact lens disinfecting solution to a commercially available contact lens solution in silicone hydrogel and soft contact lens wearers.
- Conditions
- Myopia, Astigmatism, Hyperopia, Refractive Error
- Trial name
- NCT01912768
- Testing
- FID 120947A contact lens disinfecting solution, renu fresh multi-purpose solution, Soft contact lenses
- Volunteers
- 362 people
- Sponsor
- Alcon Research