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8 results
  • MRI study of the changes in crystalline lens shape with accommodation and aging in humans. [Journal Article]
    J Vis 2011; 11(3)Kasthurirangan S, Markwell EL, … Pope JM
  • Magnetic Resonance Imaging was used to study changes in the crystalline lens and ciliary body with accommodation and aging. Monocular images were obtained in 15 young (19-29 years) and 15 older (60-70 years) emmetropes when viewing at far (6 m) and at individual near points (14.5 to 20.9 cm) in the younger group. With accommodation, lens thickness increased (mean ± 95% CI: 0.33 ± 0.06 mm) by a si…
  • The zonula, lens, and circumlental space in the normal iridectomized rhesus monkey eye. [Journal Article]
    Invest Ophthalmol Vis Sci 2006; 47(3):1087-95Croft MA, Glasser A, … Kaufman PL
  • CONCLUSIONS: Characterization of age-related changes in the accommodative apparatus may help to model the system for hypothesis testing. The CLS may be an indicator of presbyopia-related processes in surrounding tissues. However, these results do not prove that the width of the CLS, in and of itself, has a causal relationship with accommodative amplitude, or that changes in the CLS play a pathophysiological role in presbyopia.
  • Ultrasound biomicroscopy of the aging rhesus monkey ciliary region. [Journal Article]
    Optom Vis Sci 2001; 78(6):417-24Glasser A, Croft MA, … Kaufman PL
  • Ultrasound biomicroscopy of the living rhesus monkey ocular ciliary region was undertaken to identify age-dependent changes that might relate to the progression of presbyopia. Monkeys were anesthetized and pharmacologically cyclopleged, the eyelids were held open with a lid speculum, and sutures were placed beneath the medial and lateral rectus muscles. Ultrasound biomicroscopy imaging of the nas…
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