Search Results - "Boonstra, F. N."

The incidence of visual impairment due to retinopathy of prematurity (ROP) and concomitant disabilities in the Netherlands: a 30 year overview by van Sorge, A J, Termote, J U M, de Vries, M J, Boonstra, F N, Stellingwerf, C, Schalij-Delfos, N E

“…To determine the incidence of visual impairment (VI) caused by retinopathy of prematurity (ROP) and concomitant disabilities in preterm neonates born between…”
Get more information

Improvement of fine motor skills in children with visual impairment: An explorative study by Reimer, A.M., Cox, R.F.A., Nijhuis-Van der Sanden, M.W.G., Boonstra, F.N.

“…► There was age-related progress in children's fine-motor skills after the training, irrespective of magnifier condition. ► The accuracy in the writing tasks…”
Get full text

Low vision aids for visually impaired children A perception-action perspective by SCHURINK, J, COX, R. F. A, CILLESSEN, A. H. N, VAN RENS, G. H. M. B, BOONSTRA, F. N

“…It is a widely accepted belief in clinical practice that children with a visual impairment can profit from the use of a low vision aid (LVA). However, we found…”
Get full text

A Tyr368His RPE65 founder mutation is associated with variable expression and progression of early onset retinal dystrophy in 10 families of a genetically isolated population by Yzer, S, van den Born, L I, Schuil, J, Kroes, H Y, van Genderen, M M, Boonstra, F N, van den Helm, B, Brunner, H G, Koenekoop, R K, Cremers, F P M

“…Molecular analysis Venous blood was collected and DNA was extracted using a previously described protocol. 12 DNA was analysed using the highly polymorphic DNA…”
Get full text

Optics of the human cornea influence the accuracy of stereo eye-tracking methods: a simulation study by Barsingerhorn, A D, Boonstra, F N, Goossens, H H L M

“…Current stereo eye-tracking methods model the cornea as a sphere with one refractive surface. However, the human cornea is slightly aspheric and has two…”
Get full text

Development of an Age Band on the ManuVis for 3-Year-Old Children with Visual Impairments by Reimer, A. M., Barsingerhorn, A. D., Overvelde, A., Nijhuis-Van der Sanden, M. W. G., Boonstra, F. N., Cox, R. F. A.

“…Aim: To compare fine motor performance of 3-year-old children with visual impairment with peers having normal vision, to provide reference scores for…”
Get full text

Fusional vergence in microstrabismus by BOONSTRA, F. N, KOOPMANS, S. A, HOUTMAN, W. A

“…The fusional vergence velocity was studied in microstrabismus and in normal persons. In microstrabismus the system works less precisely in that small changes…”
Get full text

Corneal decompensation in a boy with Kearns-Sayre syndrome by Boonstra, F.N., Claerhout, I., Hol, F.A., Smit, G.P.A., van Collenburg, J.J.M., Meire, F.M.

“…This paper describes the clinical history of a young boy with Kearns-Sayre syndrome. The first presenting symptom of Kearns-Sayre syndrome in this boy was…”
Get full text

Target-distractor similarity has a larger impact on visual search in school-age children than spacing by Huurneman, Bianca, Boonstra, F Nienke

“…In typically developing children, crowding decreases with increasing age. The influence of target-distractor similarity with respect to orientation and element…”
Get full text

Infantile nystagmus syndrome is associated with inefficiency of goal-directed hand movements by Liebrand-Schurink, Joyce, Cox, Ralf F A, van Rens, Ger H M B, Cillessen, Antonius H N, Meulenbroek, Ruud G J, Boonstra, F Nienke

“…The effect of infantile nystagmus syndrome (INS) on the efficiency of goal-directed hand movements was examined. We recruited 37 children with INS and 65…”
Get full text

Low vision aids for visually impaired children by Schurink, J., Cox, R.F.A., Cillessen, A.H.N., van Rens, G.H.M.B., Boonstra, F.N.

“…► Both definition and performance of a task change critically when using a LVA. ► LVAs change properties and possibilities of attached perception and action…”
Get full text