Ординатура / Офтальмология / Английские материалы / Illustrated Tutorials in Ophthalmology Kanski, Bolton 2001

Optic nerve glioma

•Typically affects young girls

•Associated neurofibromatosis -1 is common

•Presents - end of first decade with gradual visual loss

Treatment

•Observation - no growth, good vision and good cosmesis

•Excision - poor vision and poor cosmesis

•Radiotherapy - intracranial extension

Optic nerve sheath meningioma

Typically affects middle-aged women

Treatment

•Observation - slow-growing tumours

•Excision - aggressive tumours and poor vision

•Radiotherapy - slow-growing tumours and good vision

Lymphoma

Presents - 6th to 8th decades

Treatment

•Radiotherapy - localized lesions

•Chemotherapy - disseminated disease

Childhood metastatic tumours

Adult metastatic tumours

Common primary sites - breast, bronchus, prostate, skin melanoma, gastrointestinal tract and kidney

Presentations

Orbital invasion by sinus tumours

OPTIC NEUROPATHIES

1.Clinical features

2.Special investigations

3.Optic neuritis

•Retrobulbar neuritis

•Papillitis

•Neuroretinitis

4.Anterior ischaemic optic neuropathy (AION)

5.Leber hereditary optic neuropathy

Signs of optic nerve dysfunction

• Reduced visual acuity

• Afferent pupillary conduction defect

• Dyschromatopsia

• Diminished light brightness sensitivity