WebThe male: female ratio was 2:1. The mean age of patients was 59.54 ± 6.61 (SD) years. The majority of patients were in the 51–60 years age group (62, 58.5%), followed by 61–70 years age group (38, 35.8%). The mean Snellen’s BCVA was 0.72 ± 0.13 (SD) LogMAR units, and the mean IOP was 16.04 ± 1.97 (SD) mmHg. WebNov 1, 2024 · A CDR less than 0.4 without an abnormally small optic disc size usually indicates a non-glaucomatous optic disc. A CDR between 0.4 and 0.8 which was calculated to the optic disc size may belong to a subject with a normal optic disc (physiologic cupping) or a glaucoma suspect or early/moderate glaucoma.
Same Cup, Different Ratios - Review of Optometry
WebThe Cup-to-Disc Ratio (CDR) serves as the most important indicator for glaucoma screening and plays a significant role in clinical screening and early diagnosis of glaucoma. In general, obtaining CDR is subjected to measuring on manually or … WebAs 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 cup diameters … simplicity cape sewing pattern
Chapter 1. Glaucoma: Optic Nerve Disease - University of Iowa
WebA typical cup-to-disc ratio would often be about 0.3. 2 A CDR higher than this does not necessarily mean that you have optic disc cupping, however. Having a larger optic cup … 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 … WebDifference in CD ratio between the two eyes (>0.2) 3. CD ratio over 0.6 4. Nasal cupping 5. Peri-papillary atrophy 6. NRR thinning and ISNT rule not obeyed 7. Deep cup and prominent lamina cribrosa. ... Narrow the slit lamp beam and focus it onto the optic disc using a volk lens 2. Usually only measure the vertical disc diameter so adjust the ... simplicity car care - calgary south