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The British journal of physiological optics最新文献

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Chromatic aberration of the eye between 200 and 2000 nm. 眼睛的色差在200到2000纳米之间。
The British journal of physiological optics Pub Date : 1975-01-01
A G Bennett
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引用次数: 0
A simple infra-red optometer for accommodation studies. 一个简单的红外线验光仪，用于住宿研究。
The British journal of physiological optics Pub Date : 1975-01-01
W N Charman, G Heron
{"title":"A simple infra-red optometer for accommodation studies.","authors":"W N Charman,&nbsp;G Heron","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The design of a continuously-recording optometer of minimal mechanical and electronic complexity is described. It operates on the Scheiner principle and has good time response for dynamic measurements. Theoretical and experimental studies show that linearity over an adequate range can be achieved by a suitable choice of system parameters; the response depends partly on Scheiner and partly on defocus effects.</p>","PeriodicalId":76613,"journal":{"name":"The British journal of physiological optics","volume":"30 1","pages":"1-12"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12410340","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Properties of the space horopter. 空间直升机的特性。
The British journal of physiological optics Pub Date : 1975-01-01
H Solomons
{"title":"Properties of the space horopter.","authors":"H Solomons","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>For general points of fixation the space horopter has been found to be a twisted cubic curve, which, when fixation is in the median plane, degenerates into a conic curve inclined to the plane of fixation. The inclination of the plane of this conic is found to be a function of the angles of torsion of the two eyes. If these angles are zero and fixation is horizontal the space horopter reduces to the Vieth-Müller circle. Previous experimental techniques for plotting the horopter curve do not in fact determine the locus in space of those points that will stimulate corresponding points in the two retinae: they are, locate the position of certain chords of the space horopter. The Hering-Hillebrand deviation coefficient is found theoretically to be a linear function of the fixation distance. This had been shown experimentally by previous workers, but without any satisfactory explanation.</p>","PeriodicalId":76613,"journal":{"name":"The British journal of physiological optics","volume":"30 2-4","pages":"81-100"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12412726","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Derivation of the angle of torsion of the eye. 眼睛扭力角的推导。
The British journal of physiological optics Pub Date : 1975-01-01
H Solomons
{"title":"Derivation of the angle of torsion of the eye.","authors":"H Solomons","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The angle of torsion of the eye, that is the amount by which the eye rotates about its anterio-posterior axis, changes with the direction of the line of fixation. If the eye can be considered as a rigid body under an elaborate system for constraints its motion can be described by the laws of kinematics. The techniques of linear algebra can then be used to derive an explicit relationship between the angles defining the direction of fixation and the angle of torsion of the eye. The angle of torsion can then be expressed as a function of the angle of rotation of the eye and the direction cosines of the axis of rotation. However, under conditions in which Listing's Law holds these angles, are well defined functions of the angles defining the direction of fixation, and so the angle of torsion, in this case, can be expressed as an explicit function of this direction.</p>","PeriodicalId":76613,"journal":{"name":"The British journal of physiological optics","volume":"30 2-4","pages":"47-55"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12412724","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Derivation of the space horopter. 空间直升机的推导。
The British journal of physiological optics Pub Date : 1975-01-01
H Solomons
{"title":"Derivation of the space horopter.","authors":"H Solomons","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The horopter--the locus of those points in space that would stimulate corresponding points on the retinae of the two eyes--has been previously considered to be a plane curve lying in the horizontal plane. The two-dimensional character of this curve arises as a consequence of limiting all considerations to two dimensions only. However, by considering the retina as a two-dimensional surface in 3-space, geometric analysis reveals the horopter to be a non-planar curve: a twisted cubic curve in space. The classical horopter experiments can then be seen to be plotting self-corresponding lines rather than self-corresponding points, and these lines are found to be the chords of this cubic curve. The equations determining the horopter curve in parametric form have been found expressing each point of the curve as a function of the coordinates of the point of fixation.</p>","PeriodicalId":76613,"journal":{"name":"The British journal of physiological optics","volume":"30 2-4","pages":"56-80"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12412725","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The flexure and toricity of best, flat and steep fitting hydrogel lenses on the eye. 最好的弯曲度和弯曲度，扁平和陡峭适合眼睛的水凝胶镜片。
The British journal of physiological optics Pub Date : 1975-01-01
A Tomlinson
{"title":"The flexure and toricity of best, flat and steep fitting hydrogel lenses on the eye.","authors":"A Tomlinson","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The flexure and toricity of Bausch and Lomb Soflens fitted to seven eyes in best, flat and steep fitting relationships were measured by photoelectric keratoscopy and keratometry. Irrespective of the fitting relationship lenses were found, generally, to conform to the cornea and to transmit through to their front surfaces the whole of the corneal toricity.</p>","PeriodicalId":76613,"journal":{"name":"The British journal of physiological optics","volume":"30 2-4","pages":"101-7"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12412720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Aniseikonia following unilateral penetrating keratoplasty. A survey of ten selected cases. 单侧穿透性角膜移植术后斜视。对十个选定案例的调查。
The British journal of physiological optics Pub Date : 1975-01-01
A Hawkswell, K N Chaudhry, O O Ffooks
{"title":"Aniseikonia following unilateral penetrating keratoplasty. A survey of ten selected cases.","authors":"A Hawkswell,&nbsp;K N Chaudhry,&nbsp;O O Ffooks","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76613,"journal":{"name":"The British journal of physiological optics","volume":"30 1","pages":"20-1"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"11981670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The effect of hypertonic saline on human corneal hydration. 高渗盐水对人角膜水合作用的影响。
The British journal of physiological optics Pub Date : 1975-01-01
A J Kempster, J R Larke, J B Marsters
{"title":"The effect of hypertonic saline on human corneal hydration.","authors":"A J Kempster,&nbsp;J R Larke,&nbsp;J B Marsters","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Hydrophilic gel contact lenses, presoaked in various strength saline solutions, were held in intimate contact with the in vivo human cornea. A change in corneal water content was observed taking place against the induced osmotic gradient. Direct stimulation of some aspect of the mechanisms controlling corneal hydration is postulated, in a manner which may be similar to that previously reported for the in vitro rabbit cornea.</p>","PeriodicalId":76613,"journal":{"name":"The British journal of physiological optics","volume":"30 1","pages":"16-19"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12410341","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Constructing your own PIC test. 构建您自己的PIC测试。
The British journal of physiological optics Pub Date : 1975-01-01
W O Taylor
{"title":"Constructing your own PIC test.","authors":"W O Taylor","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76613,"journal":{"name":"The British journal of physiological optics","volume":"30 1","pages":"22-24"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12410342","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Inadequate convergence. 收敛性不足。
The British journal of physiological optics Pub Date : 1975-01-01
L D Pickwell, L C Stephens
{"title":"Inadequate convergence.","authors":"L D Pickwell,&nbsp;L C Stephens","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76613,"journal":{"name":"The British journal of physiological optics","volume":"30 1","pages":"34-7"},"PeriodicalIF":0.0,"publicationDate":"1975-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12410344","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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