Patients Seeking a Visual Impairment Certificate
Trial statusNot yet recruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
AgeNot listed
SponsorAssiut University
About this trial
This study investigates the prevalence, causes, and demographic characteristics of patients seeking visual impairment certificates at Assiut Ophthalmology Hospital. Using a prospective cross-sectional design, it aims to identify the magnitude and nature of visual impairment in this population by analyzing clinical data, performing comprehensive eye examinations, and utilizing advanced diagnostic tools.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Patients requesting visual impairment certificate at Assiut ophthalmology hospital having all investigations Visual field, OCT macula, VEP, ERG, US, Fundus photography Werepatients who fulfilled WHO's definition of blindness. The blind patients according to WHO's,were defined as patients having best corrected distance visual acuity (BCVA) of 3/60 or less in the better eye or a visual field restricted to 10 or less in the widest diameter of vision.
Disqualifiers
Patients unwilling to participate in the study Incomplete or missing investigations
Trial population
Participants undergo comprehensive eye examinations, including visual acuity measurement using Snellen charts, slit-lamp biomicroscopy, dilated fundus examination, and automated perimetry for visual field assessment. Advanced investigations such as OCT macula imaging, VEP (visual evoked potential), ERG (electroretinography), ultrasound, and fundus photography are performed to identify the causes of visual impairment. Demographic data-such as age, sex, marital status, occupation, socioeconomic status, education level-and systemic medical history are collected to assess contributing factors.
Trial design
Design model
Cohort
Time perspective
Cross-sectional
Treatments tested in this trial
Not listed
Trial groups
383 Participants
are grouped into 1 trial groupGroup A: Patients Seeking Visual Impairment Certificates at Assiut Ophthalmology Hospital
Trial outcomes
Primary outcomes
1
BCVA
BCVA of 3/60 or less in the better eye visual field restricted to 10 or less in the widest diameter of vision.
Time frame
1 monthLocations
Sponsors and contacts
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Source ClinicalTrials.gov
This trial is not recruiting at the moment. You can still explore other options: