Macula Abnormality
Conditions
Brief summary
Comparison of intradevice repeatability of thickness measurements for macular area in the eyes with normal and various retinal diseases using SS-OCT and SD-OCT
Detailed description
The investigators studied the intradevice repeatability of thickness measurements for total retina, retinal nerve fiber layer (RNFL) and ganglion cell-inner plexiform (GC-IPL) layers of macular area in the eyes with normal and various retinal diseases using SS-OCT and SD-OCT and compared the repeatability between two devices.
Interventions
DEVICERepeat exams of OCT device
All 2 consecutive OCT examinations were performed by 1 experienced technician, in the order of SD-OCT and SS-OCT. The interval was 10 minutes between examinations by each OCT devices
Sponsors
Hanyang University
Study design
Observational model
CASE_CONTROL
Time perspective
PROSPECTIVE
Eligibility
Sex/Gender
ALL
Age
19 Years to 80 Years
Healthy volunteers
Yes
Inclusion criteria
* Age-matched normal group was composed of subjects with age over at least 19 years, * a best-corrected visual acuity of 20/25 or higher, * normal fundus and intraocular pressure (IOP) \< 21mm Hg.
Exclusion criteria
* an spherical equivalent (SE) larger than ± 6 D, * cataract graded as more severe than grade 3 (Lens Opacities Classification System III), * a history of glaucoma and optic nerve diseases, or a history of vitrectomy.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| To compare repeatability between swept-source optical coherence tomography (SS-OCT) and spectral-domain OCT (SD-OCT) devices for the measurement of retinal thickness in various retinal diseases. | Each device was examined twice consecutively within one minutes. After one OCT device exam, another OCT exam was performed immediately. The interval between test devices did not exceed 5 minutes. | Comparison of Intraclass correlation coefficient (ICC) and coefficients of variability (CV) between devices |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| To compare repeatability according to the degree of macular thickness | Each device was examined twice consecutively within one minutes. After one OCT device exam, another OCT exam was performed immediately. The interval between test devices did not exceed 5 minutes. | To compare the repeatability of retinal thickness according to central macular thickness in eyes with retinal diseases |
Countries
South Korea
Outcome results
None listed