Interpersonal variation -
Conditions
Interventions
Sponsors
Faculty of Medicine
Chulalongkorn University
Eligibility
Sex/Gender
All
Age
0 Years to No maximum
Inclusion criteria
Inclusion criteria: Inclusion criteria: glaucoma group Age > 18 years Diagnosis by glaucoma specialist glaucomatous eyes with the following - Glaucomatous cupping at least 0.7 of CDR - Nerve fiber layer defect in OCT or disc photography - Visual field defect correlated to disc photography or OCT Inclusion criteria: Glaucoma suspected Age > 18 years with following criteria - Glaucomatous cupping at least 0.7 of CDR - No glaucomatous visual field defect Inclusion criteria: Normal Age > 18 years with no glaucomatous optic nueropathy or glaucomatous visual field defect Inclusion criteria: Ophthalmology residents 10 First year residents at King Chulalongkorn Memorial Hospital
Exclusion criteria
Exclusion criteria: Exclusion criteria: glaucoma, glaucoma suspected and normal eyes Retinal or neurological eye disease History of intraocular trauma Uncooperative in examination Contraindicate for pupil dilatation Blurred disc photography Poor quality OCT: at least 7 signal strength, center optic nerve Unreliable VF perimetry: false positive errors >33%, false negative errors > 33% and fixation loss >20%
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Rate of glaucoma detection Within 30 seconds after looking at each photograph Clinical judgement | — |
Secondary
| Measure | Time frame |
|---|---|
| Percentage, mean, sensitivity, specificity, PPV, NPV Within 30 seconds after looking at each photograph Clinical judgement | — |
Countries
Thailand
Contacts
Public ContactMantaporn Ittarat
Outcome results
None listed