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IRCT20200228046640N1 IRCT 2020-04-27 Mashhad University of Medical Sciences The effect of orthokeratology night time contact lenses for correcting presbyopia Evaluating the effect of hyperopic orthokeratology contact lenses on near vision, refraction, topography and corneal thickness for correcting the presbyopia using monovision technique in non dominant eye 2019-04-13 anticipated 11 Complete https://irct.ir/trial/46292 interventional Randomization: Not randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment. N/A Presbyopia. Intervention 1: Intervention group :non-dominant eye .This is a "contralateral eye study" that non-dominant eye is fitted with hyperopic orthokeratology Boston xo contact lenses. This study included a total of 11 participants that right eye and left eye were non-dominant in 2 and 9 patients,respectively. Intervention 2: Control group: Dominant eye was conducted as a control group with out any intervention. Yes - There is a plan to make this available What will be shared: Primary and secondary variables data When: Beginning of access course from 1400 To whom: Just for researchers Conditions: For study with more samples and longer follow up course Where to obtain: Tel:09157063117 Email:opto_nmp@yahoo.com How to obtain: One month after request Comments:
public Hadi ostadi moghadam
Paramedical collage, Pardis university.Azadi square
Mashhad Iran (Islamic Republic of) 9177948964 +98 51 3884 6710 ostadih@mums.ac.ir Mashhad University of Medical Sciences scientific Nasrin mohammadpanah
Optometry department; Paramedical School; university campus; Azadi square
Mashhad Iran (Islamic Republic of) 9177948964 +98 51 3884 6710 opto_nmp@yahoo.com Mashhad University of Medical Sciences Iran (Islamic Republic of) Emeteropic persons age range of 43-50 years Unaided distance visual acuity in dominant eye at least 6/9 Blurred near vision 43 years 50 years Both The amount of with the rule astigmatism more than 1.5 diopter Presence of against the rule astigmatisem eye disease systemic disease ocular surgery history History of wearing RGP or hard contact lenses H52.4 Presbyopia Treatment - Devices Treatment - Devices Intervention group :non-dominant eye .This is a "contralateral eye study" that non-dominant eye is fitted with hyperopic orthokeratology Boston xo contact lenses. This study included a total of 11 participants that right eye and left eye were non-dominant in 2 and 9 patients,respectively. Control group: Dominant eye was conducted as a control group with out any intervention. Near visual acuity. Timepoint: Before intervention, one day and 7 days after intervention. Method of measurement: Visual acuity chart. Central axial curvature. Timepoint: Before intervention, one day and 7 days after intervention. Method of measurement: Topography. Peripheral axial curvature. Timepoint: Before intervention, one day and 7 days after intervention. Method of measurement: Topography. Refraction. Timepoint: Before intervention, one day and 7 days after intervention. Method of measurement: Auto reFractometer. Mashhad University of Medical Sciences Approved 2019-03-10 National ethics committee in biomedical research, Mashhad University of Medical Sciences Optometry group, paramedical college, university campus, Azadi square Mashhad Razavi Khorasan Iran (Islamic Republic of)