Development of visual acuity.

نویسندگان

  • G V Catford
  • A Oliver
چکیده

Catford, G. V., and Oliver, A. (1973). Archives of Disease in Childhood, 48, 47. Development of visual acuity. A hand-held electrically operated instrument has been devised to assess visual acuity by means of the phenomenon of optokinetic fixation nystagmus. An accurate determination of visual acuity has been obtained from an early age, and a graph of the normal visual acuity development produced. It has been confirmed that adult acuity is reached by 3 years of age.

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

A Quantitative Investigation on the Effect of Edge Enhancement for Improving Visual Acuity at Different Levels of Contrast

Background: The major limitation in human vision is refractive error. Auxiliary equipment and methods for these people are not always available. In addition, limited range of accommodation in adult people when switching from a far point to a near point is not simply possible. In this paper, we are looking for solutions to use the facilities of digital image processing and displaying to improve ...

متن کامل

Correlation between Visual Acuity and Optical Coherence Tomography-Measured Retinal Thickness in Diabetic Macular Edema

Background and Objective: Diabetic macular edema (DME) is one of the common complications of diabetes which significantly accounts for preventable visual impairment and blindness. Central macular thickness (CMT) is a feature found in DME patients. This study aims to determine the relationship between optical coherence tomography (OCT)-measured CMT and visual acuity (VA) in patients with DME bef...

متن کامل

حدت بینایی و عوامل مؤثر بر آن در زنان قالی‌باف: روستای فردو شهرستان قم

Background: Healthy vision of workers is one of the important elements in carpet weaving industry which has essential role in improving of the job quality and efficiency. Visual acuity is the primary outcome measure in most studies involving eye diseases. Ihe aim of this study was determination of visual acuity and its effective factors in women carpet weaver in fordu rural area of Qom has ...

متن کامل

The effect of Proprioceptive Neuromuscular Facilitation exercises on dynamic visual acuity and Sport performance of young basketball players

Aims: Deep sense plays a significant role in sensory control feedback, joint stability, coordination and balance. Despite the important role of vision and Proprioceptive Neuromuscular Facilitation on functional skills in athletes, a few studies have been conducted in this regard. This study aimed at investigating the effects of Proprioceptive Neuromuscular Facilitation exercises on dynamic visu...

متن کامل

SIGMA: A Serious Game Based on a New Approach to Improving Visual Acuity in Children with Laze Eye(Amblyopia)

Background and Aim: One of the main reasons of blindness, Unilateral vision weakness in children, adolescents and middle aged people is Amblyopia. The goal of this project is to design and production of a serious game to treating Amblyopia and to investigate the effects of this method in children's. Materials and Methods: In this Interactive analysis, 60 people suffering from Unilateral Amblyo...

متن کامل

Investigation of visual acuity and residual refractive error after cataract surgery in patients with senile cataract by phacoemulsification

Background and Aim: Vision improvement and reduction of refractive errors are considered as important goals of cataract surgery. The purpose of this study was to evaluate residual refractive errors after cataract surgery in the patients with senile cataract in Shahid Rahimi Hospital in Khorramabad City between 2017 and 2018. Material and Methods: This cross-sectional study included 178 patients...

متن کامل

ذخیره 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 نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • Archives of disease in childhood

دوره 48 1  شماره 

صفحات  -

تاریخ انتشار 1973