Optic nerve pathology in ophthalmology.ppt

Optic nerve pathology

1. Optic nerve Optic nerve
pathology pathology

2. Normal Normal PNOPNO

3. Optic neuritisOptic neuritis
SimptomeSimptome

Visual acuity decrease Visual acuity decrease

Visual field narrowing Visual field narrowing

DiscromatopsiaDiscromatopsia

4. Retrobulbar neuritis
(normal DNO )
Papillitis
(Hyperemia and oedema)
Neurita NONeurita NO

5. Optic nerve oedema Optic nerve oedema
(noninflamatory )(noninflamatory )

IntracranialIntracranial
hypertensionhypertension

Headache Headache

Normal VANormal VA

Visual fieldVisual field– – dilatation dilatation
of blind spots of blind spots

Normal chromatical Normal chromatical
vision vision

6. Atrofia NOAtrofia NO

Decrease visual function Decrease visual function

CausesCauses: : PrimarPrimaryy, ,
postglaucomatopostglaucomatousus, ,
embolia CRAembolia CRA,,
postinflamatorpostinflamatoryy, ,
posttraumaticaposttraumaticall …. ….