Clinical trials: Hyperopic Astigmatism
Hyperopic Presbyopia
Prospective Investigation of SUPRACOR Visual Outcomes of Presbyopic Hyperopic Patients With and Without Astigmatism
This phase IV study is an open, prospective, single-center, single-surgeon bilateral eye study to investigate the bilateral uncorrected intermediate visual acuity of presbyopic hyperopic patients, who have been treated with…
- Trial name
- NCT01628146
- Testing
- SUPRACOR LASIK treatment
- Where
- Ireland
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Technolas Perfect Vision GmbH
Astigmatism, Hyperopia
ICL and LASIK for Hyperopic Astigmatism
This study investigates a two-step treatment for people with severe farsightedness combined with astigmatism. The first step involves implanting a specially designed lens inside the eye (a spherical Implantable Collamer Lens, or…
- Trial name
- NCT06742541
- Testing
- Implantable Collamer Lens (ICL) followed by a planned adjunctive LASIK postoperatively
- Where
- Canada
- Volunteers
- 32 people
- Sponsor
- McGill University
Hyperopic Astigmatism
Effect of WRAD Lens on Axial Growth and Refraction in Low-hyperopic Chinese Children
Myopia is one of the most common visual impairments worldwide.This not only poses long-term risks to individual health but also imposes significant medical and economic burdens on society.
- Trial name
- NCT07682974
- Testing
- With-the-Rule Astigmatic Defocus Lens, With-the-Rule Astigmatic Defocus Lens (Non-plano), Single Vision
- Volunteers
- 117 people, healthy volunteers welcome
- Sponsor
- He Eye Hospital
Astigmatism, Far Sightedness
Clinical Results of a Monofocal Aspheric Bitoric Intraocular Lens With Plate Haptics in Hyperopic Eyes (HIPER-AT-TORBI)
Observational post-marketing study with prospective follow-up of CE marked medical devices aimed at the treatment of hyperopia and astigmatism in patients with cataract.
- Conditions
- Astigmatism, Far Sightedness, Cataracts
- Trial name
- HIPER-AT-TORBI (NCT05058274)
- Testing
- Implant of the AT-TORBI 709 lens
- Where
- 2 sites in Spain
- Volunteers
- 60 people
- Sponsor
- OFTALVIST (Oftalmología Vistahermosa S.L)
Hyperopia, High Astigmatism
Fresh Corneal Lenticule Implantation in Hyperopic Patients With High Astigmatism
The refractive combination of high hyperopia with high astigmatism is difficult to treat surgically. In addition, there are not many suitable options to offer such patients presenting with this condition.
- Trial name
- NCT04616144
- Testing
- Fresh Corneal Lenticule Implantation using Relex-Smile VisuMax Femtosecond Laser
- Where
- Kosovo
- Volunteers
- 55 people
- Sponsor
- Eye Hospital Pristina Kosovo
Moderate Hyperopia
Single-step Transepithelial PRK for Hyperopia
Hyperopia is one of the commonest refractive errors encountered in ophthalmology practice. Laser in situ keratomileusis (LASIK) has been widely used to correct hyperopia especially with the advent of femtosecond laser technology…
- Trial name
- NCT05261685
- Testing
- Single-step transepithelial PRK
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Assiut University
Hyperopia, Hyperopic Astigmatism
Safety and Efficacy of Corneal Collagen Cross-linking Following LASIK for Treatment of Hyperopia and Hyperopic Astigmatism
The objectives of this study are to evaluate the safety and efficacy, with regards to regression of refractive outcome, as measured by manifest refraction spherical equivalent (MRSE), of two treatment regimens for hyperopic and…
- Trial name
- NCT01893359
- Testing
- riboflavin ophthalmic solution, 0% dextran, UVA Irradiation (30 mW/cm2 for 2 minutes continuous UVA), UVA Irradiation (30 mW/cm2 for 3 minutes pulsed UVA with an on/off cycle of 2 seconds UVA on/1 second UVA off)
- Where
- 5 sites in United States
- Volunteers
- 2 people
- Sponsor
- Glaukos Corporation
Hyperopia, Hyperopic Astigmatism
Clinical Investigation of the WaveLight® EX500 Excimer Laser
The purpose of this study is to collect efficacy and safety data on the WaveLight EX500 excimer laser system for the correction of hyperopia with and without astigmatism by laser in situ keratomileusis (LASIK) treatment.
- Trial name
- NCT04805593
- Testing
- WaveLight EX500 excimer laser system, LASIK
- Where
- 5 sites in United States
- Volunteers
- 44 people
- Sponsor
- Alcon Research
Presbyopia, Hyperopia
Multicenter Evaluation of Safety and Effectiveness of Presbyopic LASIK for Hyperopes
The Presbyopia Algorithm subject to this study has been specifically developed to prospectively generate a treatment file for the Technolas 217z100 laser that will provide Presbyopia correction among eyes with primary hyperopia…
- Trial name
- PresbyLASIK (NCT00910403)
- Testing
- LASIK
- Where
- 4 sites in France, Spain
- Volunteers
- 80 people
- Sponsor
- Technolas Perfect Vision GmbH