Related Experiment Video
Updated: Aug 3, 2026
03:45
Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
Published on: August 8, 2022
Oguchi's disease with Mizuo-Nakamura phenomenon in a seven-year-old boy
Pukhraj Rishi1, Ekta Rishi1, Sharanya Abraham1
1Shri Bhagwan Mahavir Vitreoretinal Services, Sankara Nethralaya, Chennai, India.
GMS Ophthalmology Cases
|January 5, 2019
Abstract:
A seven-year-old boy presented with difficulty in night vision of five years duration. Vision was 20/20 OU. Fundus examination revealed a golden sheen over the posterior pole in both eyes which disappeared after 45 minutes of dark adaptation, suggestive of Mizuo-Nakamura phenomenon. Clinical findings were suggestive of Oguchi's disease. ERG was confirmatory.
Related Concept Videos
01:43Sex-linked Disorders
Like autosomes, sex chromosomes contain a variety of genes necessary for normal body function. When a mutation in one of these genes results in biological deficits, the disorder is considered sex-linked.
01:30Other Disorders of Digestive System
The gastrointestinal tract is susceptible to various disorders. If the lower esophageal sphincter is damaged, stomach acid can flow back into the esophagus, causing irritation and inflammation of the lining. This condition is called gastroesophageal reflux disease (known as heartburn) and may cause chest pain and difficulty swallowing. In the stomach, prolonged use of nonsteroidal anti-inflammatory drugs like aspirin, chronic alcohol consumption, bacterial infections such as Helicobacter...