Evaluation of Silicone Hydrogel Daily Wear Contact Lenses for Up to One (1) Month of Daily Wear...
MyopiaHyperopia1 moreThe aim of the study is to evaluate if the performance of Invigor A is substantially equivalent to Invigor B contact lenses when used in a one month recommended replacement, daily wear modality.
Clinical Evaluation of a Daily Wear Silicone Hydrogel Lens
Refractive ErrorsMyopia1 moreThe purpose of this clinical study is to assess the safety and performance of an investigational soft contact lens compared to a commercially available soft contact lens when worn in a daily wear modality with frequent replacement.
Presbyopic Supracor Treatment for Near Myopic/Hyperopic Pseudophakic Eyes
MyopiaHyperopia1 moreThis clinical study has been planned to determine the effectiveness of a special laser treatment intended to correct both near and distance vision in patients who have undergone previous cataract surgery.
Safety and Effectiveness Study of the MEL 80 Excimer Laser Using LASIK in the Treatment of Hyperopia...
HyperopiaThe purpose of this study is to determine whether the MEL 80 Excimer Laser is effective in the treatment of hyperopia, when used as part of the Laser In Situ Keratomileusis (LASIK) procedure.
Investigation of the Effect of Different Eye Exercises on Hypermetropia in School-age Children
HyperopiaHypermetropia in school-aged children is a pathology which is very common and responds to treatments early. No studies have been found in the literature on the efficancy of the hypermetropia treatments with physiotherapy methods. In our study, it was aimed to investigate the effects of different eye exercises on hypermetropia defects in school age children aged 7-17 years and to determine whether exercise protocols have superiority against each other.
Photorefractive Keratectomy (PRK) for Hyperopia After Radial Keratotomy
HyperopiaTo assess the efficacy, predictability, stability and safety of corneal wavefront-guided photorefractive keratectomy (PRK) for correcting hyperopia and astigmatism after radial keratotomy (RK).
A Study to Evaluate the Safety and Effectiveness of the Technols 217z Zyoptix System for Hyperopia...
HyperopiaAstigmatismA study to demonstrate the safety and effectiveness of wavefront laser refractive surgery treatments for hyperopia and astigmatism.
Hyperopia Treatment Study 1 (HTS1) - Glasses vs Observation
HyperopiaThe 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 prescribed glasses either immediately or only after confirmation of pre-specified deterioration criteria.
Safety and Efficacy Study of Topography-Guided LASIK to Treat Myopia and Hyperopia
MyopiaHyperopiaThis purpose of this study is to evaluate the safety and effectiveness of a topography-based custom ablation treatment using the ALLEGRETTO WAVE® Eye-Q 400 Hz laser system for treating myopia and hyperopia.
Correction of Farsightedness in Children Study
HyperopiaFarsightednessThe 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 skills in children.