References
Shamir RR, Friedman YG, Joskowicz L, Mimouni M, Blumenthal EZ (2016) The influence of varying the number of characters per row on the accuracy and reproducibility of the ETDRS visual acuity chart. Graefes Arch Clin Exp Ophthalmol 254(5):971–976. doi:10.1007/s00417-015-3252-3
Rothman KJ, Greenland S, Lash TL (2010) Modern epidemiology, 4th edn. Lippincott Williams & Wilkins, Baltimore
Sabour S (2015) Spinal instability neoplastic scale: methodologic issues to avoid misinterpretation. AJR Am J Roentgenol 204(4):W493. doi:10.2214/AJR.14.13870
Sabour S (2015) Reproducibility of dynamic Scheimpflug-based pneumotonometer and its correlation with a dynamic bidirectional pneumotonometry device: methodological issues. Cornea 34(5):e14–e15. doi:10.1097/ICO.0000000000000401
Sabour S (2014) Validity and reliability of the 13C-methionine breath test for the detection of moderate hyperhomocysteinemia in Mexican adults; statistical issues in validity and reliability analysis. Clin Chem Lab Med 52(12):e295–e296. doi:10.1515/cclm-2014-0453
Sabour S, Ghassemi F (2013) Ocular duction studies: statistical issues. Ophthalmology 120(1):222–223. doi:10.1016/j.ophtha.2012.08.020
Sabour S, Ghassemi F (2012) Accuracy, validity, and reliability of the infrared optical head tracker (IOHT). Invest Ophthalmol Vis Sci 53(8):4776. doi:10.1167/iovs.12-10324
Sabour S, Ghassemi F (2012) Reliability and validity of conjunctival ultraviolet autofluorescence measurement. Br J Ophthalmol 96(9):1271. doi:10.1136/bjophthalmol-2012-302087, author reply 1271
Author information
Authors and Affiliations
Corresponding author
Ethics declarations
Source(s) of support
None.
Conflict of interest
None.
Rights and permissions
About this article
Cite this article
Sabour, S., Ghassemi, F. Accuracy and reproducibility of the ETDRS visual acuity chart: methodological issues. Graefes Arch Clin Exp Ophthalmol 254, 2073–2074 (2016). https://doi.org/10.1007/s00417-016-3420-0
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s00417-016-3420-0