The standardization of visual-acuity tests for medical examinations and reports.

نویسنده

  • A T van Balen
چکیده

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

Subcutaneous Erythropoietin Reverses Optic Neuropathy Induced by Methanol Poisoning: Three case reports

Background: Methanol is a highly toxic alcohol and causes such severe side effects as CNS depression, blindness, acute renal failure and even death. Methods: Patients were three male referrals (aged 29-56 years) to the poisoning center at Taleghani Hospital, Urmia, Iran, in 2020. They had unknowingly ingested methanol. Their chief problems were bilateral blindness and metabolic acidosis. Upon ...

متن کامل

Evaluation of Visual Signs and Symptoms in Patients with Alzheimer's Disease

Background and Objective:Patients with Alzheimer's disease have impaired visual function even in the early stages of the disease. Therefore, the present study aimed to determine the visual signs and symptoms in patients with Alzheimer's disease and compare them with those in the control group. Materials and Methods:This cross-sectional descriptive study was conducted on 19 Alzheimer patients a...

متن کامل

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

بررسی نقش معاینات شغلی در تشخیص زودرس بیماریهای شاغلین

  Background and Aims : Employee examinations are one of the components of occupational health surveillance and the second level of disease prevention. The aim of this study is to determine the prevalence of general and likely occupational diseases among workers referred to an occupational medicine center in Mashhad and the role of theses examinations in early diagnosis of diseases.   Methods :...

متن کامل

Primary Corneal Keloid

Purpose: To report the clinical presentation, histopathologic findings, and surgical treatment in a series of cases with primary corneal keloid. Case Reports: Six Iranian patients (a father and two sons, a mother and her daughter, and one isolated male patient) without any history of corneal trauma or systemic diseases were clinically and histologically evaluated for a slowly-growing, white opa...

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:
  • Ophthalmologica. Journal international d'ophtalmologie. International journal of ophthalmology. Zeitschrift fur Augenheilkunde

دوره 165 6  شماره 

صفحات  -

تاریخ انتشار 1972