Web121 rows · As ratio of cup diameter to disc diameter, the cup-to-disc ratios depend on the size of the optic disc and cup. The high inter-individual variability of the optic disc and … WebAn elevation in the ratio of the diameter of the cup of the optic disc to the total diameter of the disc. The optic disc has an orange-pink rim with a pale centre (the cup) that does …
Correlation between Cup Ratio and Optic Nerve Disc with High …
WebThe sensitivity and specificity of vCDR asymmetry ≥0.20 for disc plus field defined glaucoma are 22.7% and 97.7%, respectively, whereas the positive likelihood ratio is 9.9 and the positive predictive value (PPV) is 7.0%. At a higher vCDR asymmetry cutoff of ≥0.30, the PPV increases to 37.7%. WebGlaucoma is an eye disease that gradually deteriorates vision. Much research focuses on extracting information from the optic disc and optic cup, the structure used for measuring the cup-to-disc ratio. These structures are commonly segmented with deeplearning techniques, primarily using Encoder–Decoder models, which are hard to train and time … how old is in skz
Cup-to-disc ratio - YouTube
WebJan 20, 2024 · The left side of this slide shows a cup-todisc ratio of 0.9 and the right side shows a cup-to-disc ratio of 0.7. Significant asymmetric cupping of the optic discs, as … WebApr 10, 2014 · Glaucoma is an optic neuropathy characterized by a specific and progressive injury to the optic nerve and retinal nerve fiber layer (RNFL).[] The vertical cup/disc (c/d) ratio has long been used in the assessment of the suspected glaucoma, although the wide range of c/d ratio values in the normal population, from 0.00 to 0.87, limits its use.[2 3 4] WebMar 15, 2024 · Patients were required to have a cup:disc (C:D) ratio of ≤0.9, best-corrected visual acuity (BCVA) of 20/100 or better, and normal angle anatomy. The study excluded subjects with uveitic, traumatic, neovascular, or angle-closure glaucoma; glaucoma associated with vascular disorders; and eyes with prior glaucoma surgery (including … mercury 225 optimax manual