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What is fundo?
a way to use indirect ophthalmoscopy using a slit lamp
Why is fundo useful?
- High resolution and stereoscopic view of posterior pole and vitreous
- High magnification view
- peripheral retina on dilated patients
- Variable illuminations and apertures
- Photo documentation of anomalies
- evaluating the health of the posterior segment of the eye
- detecting optic nerve head changes, macular oedema and retinal neovascularisation
Advantages of fundo?
- non invasive
- can be performed undilated
- variable mag and illumination
- excellent view of vitreous
Disadvantages of fundo?
- difficult to get to the periphery- px unable to tilt head
- tough to interpret periphery things
Indications for use?
- Every patient – dilated or undilated
- Diabetic retinopathy
- Macular degeneration
- Vascular obstructions
What are the characteristics of the aerial image?
reversed and inverted
_____ CL, ______ FOV, _______ mag
Advantages of contact fundo?
- Enhanced image quality
- Reduced reflections
- Surgical implications
Disadvantages of contact fundo?
- Corneal distortion
- Corneal dehydration
- Keratopathy – noninflammatory disease of the cornea
- Vasoval reflex