Not a feature of tobacco amblyopia: (AIIMS Nov 2013)
|A||Ganglion cell degeneration|
1. Patients complain of diminution of vision and difficulty in close work. Q
2. On examination the fundus is normal or there is slight temporal pallor of disc.
3. Presence of centro-caecal scotoma Qwhich is diagnostic.
4. Although the condition is bilateral, one eye is usually more affected.
5. Tobacco amblyopia is due to degeneration of the ganglion cells Q of retina mainly of the macular area. No RAPD.