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Accommodation, refractive error and eye growth in chickens.
Schaeffel F, Glasser A, Howland HC. Schaeffel F, et al. Vision Res. 1988;28(5):639-57. doi: 10.1016/0042-6989(88)90113-7. Vision Res. 1988. PMID: 3195068
Wearing a lens resulted in a consistent shift of the non cycloplegic refractive state (measured without the lens) which was in the direction to compensate for the lens. ...We discuss our result in terms of a closed-loop feedback system for the regulation of e …
Wearing a lens resulted in a consistent shift of the non cycloplegic refractive state (measured without the lens) which was in …
Can accommodation be surgically restored in human presbyopia?
Glasser A. Glasser A. Optom Vis Sci. 1999 Sep;76(9):607-8. doi: 10.1097/00006324-199909000-00001. Optom Vis Sci. 1999. PMID: 10498000 Review. No abstract available.
Presbyopia and the optical changes in the human crystalline lens with age.
Glasser A, Campbell MC. Glasser A, et al. Vision Res. 1998 Jan;38(2):209-29. doi: 10.1016/s0042-6989(97)00102-8. Vision Res. 1998. PMID: 9536350
A scanning laser technique was used to measure focal length and spherical aberration of the lenses, while the lenses were subjected to stretching forces applied through the ciliary body/zonular complex. ...
A scanning laser technique was used to measure focal length and spherical aberration of the lenses, while the lenses were subjected t
Biometric, optical and physical changes in the isolated human crystalline lens with age in relation to presbyopia.
Glasser A, Campbell MC. Glasser A, et al. Vision Res. 1999 Jun;39(11):1991-2015. doi: 10.1016/s0042-6989(98)00283-1. Vision Res. 1999. PMID: 10343784
Lens focal length and spherical aberration were measured using a scanning laser apparatus, lens thickness and the lens surface curvatures were measured by digitizing the lens profiles and equivalent refractive indices were calculated for each lens using this data. The seco …
Lens focal length and spherical aberration were measured using a scanning laser apparatus, lens thickness and the lens surface curvat …
The mechanism of corneal accommodation in chicks.
Glasser A, Troilo D, Howland HC. Glasser A, et al. Vision Res. 1994 Jun;34(12):1549-66. doi: 10.1016/0042-6989(94)90112-0. Vision Res. 1994. PMID: 7941363
Slit-lamp observations of accommodative changes at the corneo-scleral margin and electrical stimulation of dissected eyes in vitro indicate that corneal accommodation is mediated by a contraction of the ciliary muscles, which exerts a pull on the inner lamella of th …
Slit-lamp observations of accommodative changes at the corneo-scleral margin and electrical stimulation of dissected eyes in vitro indicate …
The mechanism of lenticular accommodation in chicks.
Glasser A, Murphy CJ, Troilo D, Howland HC. Glasser A, et al. Vision Res. 1995 Jun;35(11):1525-40. doi: 10.1016/0042-6989(94)00211-4. Vision Res. 1995. PMID: 7667911
These include a role for the ciliary muscle, a role for the iris muscle, and a role for changes in intraocular pressure. We have studied accommodation in the chick eye using electrical stimulation of the Edinger-Westphal nucleus, electric-field stimulation of …
These include a role for the ciliary muscle, a role for the iris muscle, and a role for changes in intraocular pressure …
In vitro changes in back vertex distance of chick and pigeon lenses: species differences and the effects of aging.
Glasser A, Howland HC. Glasser A, et al. Vision Res. 1995 Jul;35(13):1813-24. doi: 10.1016/0042-6989(94)00292-t. Vision Res. 1995. PMID: 7660588
Further, we demonstrated that, just as in the chick eye, lenticular changes in pigeon eyes are due to a contraction of the iris muscle. ...We conclude with a discussion of the lenticular accommodative ability of the pigeon eye with reference to the recently reported …
Further, we demonstrated that, just as in the chick eye, lenticular changes in pigeon eyes are due to a contraction of the iris muscl …
Constant light produces severe corneal flattening and hyperopia in chickens.
Li T, Troilo D, Glasser A, Howland HC. Li T, et al. Vision Res. 1995 May;35(9):1203-9. doi: 10.1016/0042-6989(94)00231-a. Vision Res. 1995. PMID: 7610581
The axial lengths of the ocular components were measured by A-scan ultrasonography. We find that constant light produces significant hyperopia compared to controls in as few as 10 days (7.4 vs 4.0 D). ...
The axial lengths of the ocular components were measured by A-scan ultrasonography. We find that constant light produces significant …
A history of studies of visual accommodation in birds.
Glasser A, Howland HC. Glasser A, et al. Q Rev Biol. 1996 Dec;71(4):475-509. doi: 10.1086/419554. Q Rev Biol. 1996. PMID: 8987172
Numerous later studies on the eyes of a variety of bird species contradicted earlier findings or proposed new accommodative mechanisms. ...While in relation to the anatomical arrangements [of the bird eye], these have led our knowledge pretty much to a conclusion... …
Numerous later studies on the eyes of a variety of bird species contradicted earlier findings or proposed new accommodative mechanism …
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