The resolving power of the eye
نویسنده
چکیده
When the separation between the incoherent point sources is decreased, in the limit a decision whether the image distribution arises from one or two points or a short bar rests, in the absence of prior information, on the detection of an indentation. That, in essence, is the concept of resolution.
منابع مشابه
Prediction of Refractive Outcome of Second Eye with Partial Adjustment of Intraocular Lens Power of the First Eye
Background and Objective: This study aimed at comparing the results of refractive cataract surgery in patients undergoing sequential surgeries in both eyes. Considering the preoperative refraction and final refraction of the first eye, it is possible to correct the refrative result of cataract surgery using the adjustment of the second eye intraocular lens (IOL) power. Materials and Methods: T...
متن کاملFoucauldian Reading of Gholam Hossein Saedi's An Eye for an Eye
AbstractThe present paper seeks to investigate how power relations work in Saedi’s An Eye for an Eye and how discursive formation of justice brings the conflicts of the play to resolution. Foucault believes that power and knowledge create each other reciprocally. This creation happens within a domain of relationships in which discursive statements are voiced alongside and against each other. Tr...
متن کاملبررسی اثر قطره هوماتروپین 2% بر روی توپوگرافی قرنیه
ABSTRACT The purpose of this study was the evaluation of cycloplegic effect of homatropine 2% on central corneal curvature and power. 43 volunteers who participated in the study were examined. Thirty-nine of them (28 men and 11 women) which had normal eyes with visual acuity of 20/20 and a mean age of 29.6 ± 6.7 years were selected. Then corneal topography was performed on both eyes. After per...
متن کاملPredicting the Keratoconus Disease Severity Based on Pachymetric Progression Indices Measured by Pentacam
Background Keratoconus (KCN) is a bilateral, progressive, and non-inflammatory disorder in the cornea, which results in thinning and protrusion of the cornea. Objective This study aims to determine the effectiveness of using pachymetric progression indices (PPIs) in grading the severity of KCN disease. Methods In this study, 76 patients with different stages of KCN were enrolled. The severit...
متن کاملEffects of Laser Physical Parameters on Lesion Size in Retinal Photocoagulation Surgery: Clinical OCT and Experimental Study
Introduction: The aim of the present study was to determine burn intensity in retinal laser photocoagulation based on laser parameters; wavelength, power, beam size and pulse duration, using Optical Coherence Tomography (OCT), fundus camera, physical eye model and computer simulation in a clinical study.Materials and Methods: Participants were 10 adult patients between 50-80 years with prolifer...
متن کاملGesture and its impact of resolving lexical ambiguity
The study aimed to shed light on the use of gesture in resolving lexical ambiguity employed by TEFL students. To this end, 60 intermediate Iranian learners, studying at Kish Way Language School in Iran were recruited. The participants were randomly put into two experimental groups and one control group. Both of the experimental groups received the same teaching approach, i.e. teaching homonyms ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- Vision Research
دوره 45 شماره
صفحات -
تاریخ انتشار 2005