The Eye and Photographic Lenses.

نویسنده

  • V C Verbitzky
چکیده

It appeared incomplete but formed a considerable segment of a circle. The above description applies chiefly to -the left iris. The departure from the normal. was less marked in the right eye. The writer believes this to be a case of congenital miosis of varying degree in the two eyes, and due probably, having regard to the findings of Holth and Berner, to developmental faults in the dilator muscle.

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

Optimization of Head CT Protocol to Reduce the Absorbed Dose in Eye Lenses and Thyroid: A Phantom Study

Introduction: Utilization of computed tomography (CT) scans is increasing annually. This study aimed to reduce the absorbed dose of sensitive organs in the head (eye lenses and thyroid) and to assess changes in resultant images quality in head scans when the radiation dose is decreased. Material and Methods: An anthropomorphic phantom was examined with head protocols in both helical and sectio...

متن کامل

گزارش سه مورد کراتیت آکانتامبایی در یزد

Acanthamoeba keratitis is a vision- threatening infection and the most important risk factors are contact lenses Characteristic symptoms include disproportionately severe ocular pain, epithelial ulcer, ring stromal infiltrate and resistance to antimicrobial treatment. The aim is to report the first cases of Acanthamoeba keratitis in Yazd in a retrospective study confirmed on histopathological ...

متن کامل

Evaluation of Occupational Radiation Status and Validity of Individual Dose and Eye Lens Assessment Using Single Film Dosimeter for Angiographic Staff in Iran

Background and Aim: In angiography, the lens of the eye may be exposed to radiation and cause cataracts. In Iran, at present, only a single film dosimeter is used under the lead-apron to evaluate individual doses. The aim of this study was to investigate the status of occupational radiation as well as the validity of measuring the dose of the whole body of individuals and eye lenses using a sin...

متن کامل

Technical Advances in Microstructured Plastic Optics for Display Applications

This paper will present recent technological advances in the field of replicated, microstructured plastic optics, and their applications in display optics. A number of technology areas will be discussed, including moth-eye Antireflective MicrostructureTM, High Precision Molding (HPM), high temperature polymers, and one-piece, diffusive imaging screens. Applications discussed will include field ...

متن کامل

Geometric Camera Models

There are many types of imaging devices, from animal eyes to video cameras and radio telescopes. They may or may not be equipped with lenses: For example the first models of the camera obscura (literally, dark chamber) invented in the 16th century did not have lenses, but instead used a pinhole to focus light rays onto a wall or translucent plate and demonstrate the laws of perspective discover...

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:
  • The British journal of ophthalmology

دوره 8 6  شماره 

صفحات  -

تاریخ انتشار 2004