Crater-like hole in the optic disc.

نویسنده

  • E F EISUM
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

Automatic Optic Disc Center and Boundary Detection in Color Fundus Images

Accurately detection of retinal landmarks, like optic disc, is an important step in the computer aided diagnosis frameworks. This paper presents an efficient method for automatic detection of the optic disc’s center and estimating its boundary. The center and initial diameter of optic disc are estimated by employing an ANN classifier. The ANN classifier employs visual features of vessels and th...

متن کامل

A case of presumed congenital herpes zoster ophthalmicus.

us to believe that there was indeed a treatment effect. Since reattachment ofthe retina and resolution ofthe macular hole was achieved solely with laser photocoagulation, we believe this should be the initial procedure in the management of these patients. 1 Reis W. Eine wenig bekannte typische missbildung am sehnerveneintritt: umnschiebene grubenbildung auf papilla n optici. ZeitschrAugenheilkd...

متن کامل

Morphological Exudate Detection in Retinal Images using PCA-based Optic Disc Removal

Diabetic retinopathy lesion detection such as exudate in fundus image of retina can lead to early diagnosis of the disease. Retinal image includes dark areas such as main blood vessels and retinal tissue and also bright areas such as optic disk, optical fibers and lesions e.g. exudate. In this paper, a multistage algorithm for the detection of exudate in foreground is proposed. The algorithm se...

متن کامل

Pseudo-duplication of the optic disc with maculo-schisis in a 9-year-old patient

Purpose To report a unique case of pseudo-duplication of the optic disc with maculo-schisis. Observations A 9-year-old girl presented with decreased vision in the left eye. Her measured visual acuity was 20/50. Dilated fundus examination revealed an optic disc-like lesion with a large crater-like depression, pale color and aberrant retinal vasculature arising from its lower region. Optical co...

متن کامل

Bilateral disc edema and unilateral macular hole in a patient with retinitis pigmentosa.

PURPOSE A unique case of retinitis pigmentosa (RP) associated with bilateral disc edema and unilateral macular hole is presented. METHODS A 49-year-old woman, a known RP patient, was found to have bilateral disc edema and a macular hole in the left eye during routine clinical examination. Fluorescein angiography revealed hyperfluorescent leakage of the optic nerve head significantly OD and mi...

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:
  • Acta ophthalmologica

دوره 35 3  شماره 

صفحات  -

تاریخ انتشار 1948