H C Howland
Overview
Explore the profile of H C Howland including associated specialties, affiliations and a list of published articles.
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Articles
103
Citations
1426
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Recent Articles
1.
Schaeffel F, Farkas L, Howland H
Appl Opt
. 2010 May;
26(8):1505-9.
PMID: 20454351
A modification of the technique of photoretinoscopy is presented which allows measurement of the refractive state of the eye in noncooperative subjects and in very small eyes. Infrared light provided...
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Endl M, Martinez C, Klyce S, McDonald M, Coorpender S, Applegate R, et al.
Arch Ophthalmol
. 2001 Aug;
119(8):1159-64.
PMID: 11483083
Objective: To evaluate the effects of photorefractive keratectomy on corneal optical aberrations using a 5.5-mm optical zone and a 7.0-mm transition zone. Methods: Videokeratographs of 72 eyes from 47 patients...
4.
Hueter R, Murphy C, Howland M, Sivak J, Paul-Murphy J, Howland H
Vision Res
. 2001 Jun;
41(15):1885-9.
PMID: 11412881
Optical measurements of the refractive state of the eyes of various shark species typically have depicted sharks as hyperopic (far-sighted) with little evidence of accommodation (i.e. the ability to change...
5.
Meyer T, Howland H
Ophthalmic Physiol Opt
. 2001 Mar;
21(2):139-50.
PMID: 11261348
Purpose: To determine whether or not there are systematic differences in the areas of optic discs as measured by different machines using different measurement algorithms and whether racial or gender...
6.
Blackie C, Howland H
Optom Vis Sci
. 2001 Jan;
77(11):608-15.
PMID: 11138836
Purpose: To perform time domain stability analysis on two widely accepted linear models of accommodation and convergence. Methods: For each model, the governing differential equations were used to compute the...
7.
Choi M, Weiss S, Schaeffel F, Seidemann A, Howland H, Wilhelm B, et al.
Optom Vis Sci
. 2000 Dec;
77(10):537-48.
PMID: 11100892
Purpose: Photorefraction is a convenient way to determine refractive state from a distance. It is, therefore, useful for measuring infants and noncooperative subjects. However, its reliability (or precision) and accuracy...
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Applegate R, Hilmantel G, Howland H, Tu E, Starck T, Zayac E
J Refract Surg
. 2000 Oct;
16(5):507-14.
PMID: 11019864
Purpose: Wavefront analysis has demonstrated that refractive surgery-induced corneal first surface aberrations are large, are dominated by symmetric aberrations (spherical-like aberrations), and are correlated to measures of visual performance. It...
10.
Li T, Howland H
Vision Res
. 2000 Aug;
40(17):2249-56.
PMID: 10927112
Our previous studies have shown that an environment of constant light (CL) can lead to development of high degree of hyperopia in newborn chicks by inducing severe corneal flattening, and...