Measuring recognition visual acuity in young children – testability with the Waterloo Differential Acuity Test (WatDAT)

References

• Ferris FL, Kassoff A, Bresnick GH, et al. New visual acuity charts for clinical research. Am J Ophthalmol 1982; 94: 91–96.
   PubMed Web of Science ®Google Scholar
• Bailey IL, Lovie JE. New design principles for visual acuity letter charts. Optom Vis Sci 1976; 53: 740–745.
   Google Scholar
• Lovie-Kitchin J. Is it time to confine Snellen charts to the annals of history? Ophthal Physiol Opt 2015; 35: 631–636.
   PubMed Web of Science ®Google Scholar
• Becker R, Hubsch S, Graf MH, et al. Examination of young children with Lea symbols. Br J Ophthalmol 2002; 86: 513–516.
   PubMed Web of Science ®Google Scholar
• Jones D, Westall C, Averbeck K, et al. Visual acuity assessment: a comparison of two tests for measuring children’s vision. Ophthalmic Physiol Opt 2003; 23: 541–546.
   PubMed Web of Science ®Google Scholar
• Cyert L, Schmidt P, Maguire M, et al. Threshold visual acuity testing of preschool children using the crowded HOTV and Lea Symbols acuity tests. J Aapos 2003; 7: 396–399.
   PubMed Web of Science ®Google Scholar
• McDonald M, Chaudry NM. Comparison of four methods of assessing visual acuity in young children. Optom Vis Sci 1989; 66: 363–369.
   PubMed Web of Science ®Google Scholar
• McDonald MA, Dobson V, Sebris SL, et al. The acuity card procedure: a rapid test of infant acuity. Invest Ophthalmol Vis Sci 1985; 26: 1158–1162.
   PubMed Web of Science ®Google Scholar
• Leat SJ. Pediatric assessment. In: Rosenfield M, Logan N Edwards K, editors. Edinburgh; New York: Butterworth-Heinemann/Elsevier; 2009. p. 439–460.
   Google Scholar
• Livingstone I, Butler L, Misanjo E, et al. Testing pediatric acuity with an iPad: validation of “Peekaboo vision” in Malawi and the UK. Trans Vis Sci Tech 2019; 8: 8–8.
   PubMed Web of Science ®Google Scholar
• Adoh TO, Woodhouse JM. The Cardiff acuity test used for measuring visual acuity development in toddlers. Vis Res 1994; 34: 555–560.
   PubMed Web of Science ®Google Scholar
• Adoh TO, Woodhouse JM, Oduwaiye KA. The Cardiff Test: a new visual acuity test for toddlers and children with intellectual impairment. A preliminary report. Optom Vis Sci 1992; 69: 427–432.
   PubMed Web of Science ®Google Scholar
• Mackie R, Saunders K, Day R, et al. Visual acuity assessment of children with neurological impairment using grating and vanishing optotype acuity cards. Acta Ophthalmol Scand 1996; 74: 483–487.
   PubMedGoogle Scholar
• Bowman EG, Preston PS. Comparison of the new Cardiff acuity test with the Teller acuity test in toddlers 12-36 months of age [ MSc thesis]. College of Optometry, Pacific University; 1995. p. 1111. https://commons.pacificu.edu/opt/1111.
   Google Scholar
• Heinrich SP, Bach M. Resolution acuity versus recognition acuity with Landolt-style optotypes. Graefe’s Arch Clin Exp Ophthalmol 2013; 251: 2235–2241.
   PubMed Web of Science ®Google Scholar
• Anstice NS, Thompson B. The measurement of visual acuity in children: an evidence‐based update. Clin Exp Optom 2014; 97: 3–11.
   PubMed Web of Science ®Google Scholar
• Geer I, Westall CA. A comparison of tests to determine acuity deficits in children with amblyopia. Ophthal Physiol Opt 1996; 16: 367–374.
   PubMed Web of Science ®Google Scholar
• Kushner BJ, Lucchese NJ, Morton GV. Grating visual acuity with Teller cards compared with Snellen visual acuity in literate patients. Arch Ophthalmol 1995; 113: 485–493.
   PubMedGoogle Scholar
• Rydberg A, Ericson B, Lennerstrand G, et al. Assessment of visual acuity in children aged 1 1/2-6 years, with normal and subnormal vision. Strabismus 1999; 7: 1–24.
   PubMedGoogle Scholar
• Thorn F, Schwartz F. Effects of dioptric blur on Snellen and grating acuity. Optom Vis Sci 1990; 67: 3–7.
   PubMed Web of Science ®Google Scholar
• Howard C, Firth AY. Is the Cardiff acuity test effective in detecting refractive errors in children? Optom Vis Sci 2006; 83: E577–582.
   PubMed Web of Science ®Google Scholar
• Mayer DL, Fulton AB, Rodier D. Grating and recognition acuities of pediatric patients. Ophthalmol 1984; 91: 947–953.
   PubMed Web of Science ®Google Scholar
• Moseley MJ, Fielder AR, Thompson JR, et al. Grating and recognition acuities of young amblyopes. Br J Ophthalmol 1988; 72: 50–54.
   PubMed Web of Science ®Google Scholar
• Leat SJ, Yakobchuk-Stanger C, Irving EL. Differential visual acuity – a new approach to measuring visual acuity. J Optom 2020; 13: 41–49.
   PubMedGoogle Scholar
• Carkeet A, Levi DM, Manny RE. Development of Vernier acuity in childhood. Optom Vis Sci 1997; 74: 741–750.
   PubMed Web of Science ®Google Scholar
• Gerhardstein P, Rovee-Collier C. The development of visual search in infants and very young children. J Exp Child Psychol 2002; 81: 194–215.
   PubMed Web of Science ®Google Scholar
• Hovis JK, Leat SJ, Heffernan S, et al. The validity of the university of waterloo colored dot test for color vision testing in adults and preschool children. Optom Vis Sci 2002; 79: 241–253.
   PubMed Web of Science ®Google Scholar
• Fantz RL. Pattern vision in newborn infants. Science. 1963; 140: 296–297.
   PubMed Web of Science ®Google Scholar
• Goren CC, Sarty M, Wu PY. Visual following and pattern discrimination of face-like stimuli by newborn infants. Pediatrics 1975; 56: 544–549.
   PubMed Web of Science ®Google Scholar
• Bailey IL, Jackson AJ. Changes in the clinical measurement of visual acuity. J Phys: Conf Ser 2016; 772: 12046.
   Google Scholar
• Leat SJ, Irving EL. Face and non-face visual acuity symbols (FaceVA). Canada patent 1160819. 2019 July 4.
   Google Scholar
• Leat SJ, Irving EL. Face and non-face visual acuity symbols (FaceVA). 2020. United States Register of Copyrights and Director Patent VAu 1-411-289. 2020 Feb 21.
   Google Scholar
• Alkanhal N. Development of form visual acuity in infants measured by schematic faces [ MSc thesis]. Waterloo (Canada): University of Waterloo; 2018.
   Google Scholar
• Suryakumar R, Bobier WR. The manifestation of noncycloplegic refractive state in pre-school children is dependent on autorefractor design. Optom Vis Sci 2003; 80: 578–586.
   PubMed Web of Science ®Google Scholar
• Simons K. Preschool vision screening: rationale, methodology and outcome. Surv Ophthalmol 1996; 41: 3–30.
   PubMed Web of Science ®Google Scholar
• Wallace DK, Morse CL, Melia M, et al. Pediatric eye evaluations. preferred practice pattern®: i. Vision screening in the primary care and community setting; II. Comprehensive ophthalmic examination. Ophthalmology 2018; 125: 184–P227.
   PubMed Web of Science ®Google Scholar