The fundus is the inside of the posterior portion of the eye, comprising the retina, macula, optic disc, fovea, and blood vessels. Fundus diseases are the disorders that affect these structures. Without timely detection and treatment of these diseases, permanent visual loss is possible.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.? Disease group: All multimodal fundus examination images containing fundus lesions, examined from January 2011 to December 2023, including fundus photography, as well as OCT, OCTA, FFA, ICGA, B-ultrasound and corresponding imaging reports. Images could be either clear or unclear, reports are either complete or incomplete. 2.? Normal group: All multimodal fundus examination images without fundus lesions, examined from January 2011 to December 2023, including fundus photography, as well as OCT, OCTA, FFA, ICGA, B-ultrasound and corresponding imaging reports. Images could be either clear or unclear, reports are either complete or incomplete.
Exclusion criteria
Exclusion criteria: 1.? Disease group: 1. The image has serious quality problems; 2. The diagnostic report lacks key information. 2.? Normal group: 1. The image has serious quality problems; 2. The diagnostic report lacks key information.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| 1. Fundus photography: morphological manifestations of the retina, blood vessels, and optic nerve2. OCT: changes in retinal thickness, manifestations of lesions in each layer, thickness, morphology and manifestations of lesions in the macular area and optic nerve fiber layer3. OCTA: density, morphology, and manifestations of lesions of retinal blood vessels4. FFA: dynamic observation of changes in retinal blood vessels and lesions5. ICGA: dynamic observation of changes in choroidal blood ves; | — |
Countries
China
Contacts
The Zhongshan Ophthalmic Center,Sun Yat-sen University