Rob G L van der Heijde
Overview
Explore the profile of Rob G L van der Heijde including associated specialties, affiliations and a list of published articles.
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17
Citations
281
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Recent Articles
1.
Vrijling A, Braaf B, Snellenburg J, de Lange F, Zaal M, van der Heijde R, et al.
Optom Vis Sci
. 2011 Apr;
88(7):E837-42.
PMID: 21516048
Purpose: To validate the clinical performance of point-source corneal topography (PCT) in postpenetrating keratoplasty (PKP) eyes and to compare it with conventional Placido-based topography. Methods: Corneal elevation maps of the...
2.
Snellenburg J, Braaf B, Hermans E, van der Heijde R, Sicam V
Opt Express
. 2010 Oct;
18(18):19324-38.
PMID: 20940828
A forward ray tracing (FRT) model is presented to determine the exact image projection in a general corneal topography system. Consequently, the skew ray error in Placido-based topography is demonstrated....
3.
Braaf B, Dubbelman M, van der Heijde R, Sicam V
Optom Vis Sci
. 2009 Apr;
86(5):467-75.
PMID: 19342978
Purpose: Assessment of the relative performance in measuring corneal shape and corneal aberrations for two specular reflection topographers: Keratron Placido Ring Topographer, VU Topographer, and two slit-lamp imaging instruments: Orbscan...
4.
Hermans E, Terwee T, Koopmans S, Dubbelman M, van der Heijde R, Heethaar R
J Cataract Refract Surg
. 2008 Nov;
34(12):2133-8.
PMID: 19027572
Purpose: To develop a ciliary muscle-driven accommodating intraocular lens (IOL) that has a large and predictable range of variable power as a step toward spectacle independence. Setting: Department of Physics...
5.
Weeber H, van der Heijde R
Acta Ophthalmol
. 2008 Aug;
86(6):642-7.
PMID: 18752516
Purpose: To describe the internal deformations in the crystalline lens that occur during accommodation. Methods: A computer-based mechanical model of accommodation was created using the finite element method. The lens...
6.
Hermans E, Pouwels P, Dubbelman M, Kuijer J, van der Heijde R, Heethaar R
Invest Ophthalmol Vis Sci
. 2008 Aug;
50(1):281-9.
PMID: 18676625
Purpose: A change in surface area of the capsular bag and a change in volume of the lens can indicate whether a change in the shape of the lens during...
7.
Tangelder G, van der Heijde R, Polak B, Ringens P
Invest Ophthalmol Vis Sci
. 2008 Jun;
49(6):2627-34.
PMID: 18515592
Purpose: To determine the precision and reliability of retinal thickness measurements with an optical coherence tomograph (Stratus OCT 3; Carl Zeiss Meditec, Dublin, CA) and a retinal thickness analyzer (RTA;...
8.
Sicam V, Snellenburg J, van der Heijde R, van Stokkum I
Optom Vis Sci
. 2007 Sep;
84(9):915-23.
PMID: 17873765
Purpose: A pseudo forward ray-tracing (PFRT) algorithm is developed to evaluate surface reconstruction in corneal topography. The method can be applied to topographers where one-to-one correspondence between mire and image...
9.
Weeber H, van der Heijde R
Exp Eye Res
. 2007 Aug;
85(5):602-7.
PMID: 17720158
The purpose of this study was to investigate the relationship between the stiffness of the material comprising the lens and the loss of accommodative amplitude with age. We used a...
10.
Dubbelman M, Sicam V, van der Heijde R
J Vis
. 2007 Aug;
7(7):10.1-8.
PMID: 17685806
Scheimpflug imaging was used to measure in six meridians the shape of the anterior and posterior cornea of the right eye of 114 subjects, ranging in age from 18 to...