Defocus-specific contrast sensitivity

This thesis describes contrast sensitivity measurements that were made in
healthy control subjects, in patients who have undergone a cataract operation,
and in patients who have been treated with refractive surgery. The study is
innovative in that the measurements were performed not only under wellfocused
(corrected for refractive errors) conditions, but also with different
amounts of defocus. As a result it was possible to discuss depth of focus and,
using a theoretical eye model, calculate the spherical and irregular aberrations
that are present in the human eye. Such an approach made it practicable to
show the differences between healthy control subjects and patients after a
cataract extraction. There were also clear differences between the healthy
control subjects and the patients who underwent refractive surgery and
between the subgroups undergoing different forms of refractive surgery.

	Title and contents
	Chapter 1
	Chapter 2
	Chapter 3
	Chapter 4
	Chapter 5
	Chapter 6
	Chapter 7 (Summary)
	Chapter 8 (Samenvatting)
	Dankwoord
	Curriculum vitae
	Complete thesis

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