1. Woodhouse, J. M., Meades, J. S., Leat, S. J. & Saunders, K. J. Reduced accommodation in children with Down syndrome. Invest Ophthalmol Vis Sci 34, 2382–2387 (1993).
2. Woodhouse, J. M. et al. Visual acuity and accommodation in infants and young children with Down’s syndrome. J Intellect Disabil Res 40, 49–55 (1996).
3. Woodhouse, J. M. et al. The effect of age, size of target and cognitive factors on accommodative responses of children with Down syndrome. Invest Ophthalmol Vis Sci 41, 2479–2485 (2000).
4. Cregg, M. et al. Accommodation and refractive error in children with Down syndrome: cross-sectional and longitudinal studies. Invest Ophthalmol Vis Sci 42, 55–63 (2001).
5. Haugen, O. H., Høvding, G. & Lundström, I. Refractive development in children with Down’s syndrome: a population based, longitudinal study. Br J Ophthalmol 85, 714–719 (2001).