amblyopia, lazy eye. Refractive amblyopia, bilateral,
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Full patient consent to participate in the study The minimum age is 5 and the maximum is 13 years Bilateral refractive amblyopes Astigmatism more than 1.5 diopters and hyperopia more than 3.00 diopters in each eye or a mix hyperopia-stigmatism Maximum vision 20/40 and minimum vision 20/100 in each eye (moderate amblyopia)
Exclusion criteria
Exclusion criteria: Children who do not cooperate to perform the tests Children who experience diplopia or nausea while using liquid crystal glasses The presence of uncompensated phoria Children who do not have the necessary follow-up for treatment. The existence of pathological and structural problems of the eye History of eye surgeries The presence of nystagmus strabismus, microtropia or eccentric fixation
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Visual acuity. Timepoint: before and after. Method of measurement: snellen vision chart LCD chart vision (model, HDC-9000N/PF, made in South Korea) Howitz company.;Stereoacuity. Timepoint: before and after. Method of measurement: Randot &; Vectogram Registered trade marks of Stereo Optical Co., Inc and Stereo Fly Stereotest of Stereo Optical Company Inc.;Contrast sensitivity. Timepoint: before and after. Method of measurement: Freiburg contrast sensitivity test, made in Germany, designed by Michael Bach, 2011 version.;Infacility of Accommodation. Timepoint: Before and after. Method of measurement: flipper lens and snellen near chart. | — |
Countries
Iran (Islamic Republic of)
Contacts
Shahid Beheshti University of Medical Sciences