Optic neuropathy

Optic neuropathy refers to damage to the optic nerve due to any cause. Damage and death of these nerve cells, or neurons, leads to characteristic features of optic neuropathy. The main symptom is loss of vision, with colors appearing subtly washed out in the affected eye. On medical examination, the optic nerve head can be visualised by an ophthalmoscope. A pale disc is characteristic of long-standing optic neuropathy. In many cases, only one eye is affected and patients may not be aware of the loss of color vision until the doctor asks them to cover the healthy eye.

单词	Optic neuropathy
释义	Optic neuropathy 英语百科 Optic neuropathy Optic neuropathy refers to damage to the optic nerve due to any cause. Damage and death of these nerve cells, or neurons, leads to characteristic features of optic neuropathy. The main symptom is loss of vision, with colors appearing subtly washed out in the affected eye. On medical examination, the optic nerve head can be visualised by an ophthalmoscope. A pale disc is characteristic of long-standing optic neuropathy. In many cases, only one eye is affected and patients may not be aware of the loss of color vision until the doctor asks them to cover the healthy eye.
随便看	positive copying process positive corona positive corpuscle positive corpuscule positive correction positive correlation positive correlationship positive costituent positive Cotton effect positive counting positive coupling positive course pitch Positive covenant positive crankcase venilation positive crankcase ventilating system Positive Crankcase Ventilation positive crankcase ventilation device positive crankcase ventilation system positive crankcase ventilation valve positive crankcase ventilator positive credit positive creep positive criteria positive criticism positive cross adaptation