OPTHALMOSCOPE
Light Settings
- Large/Medium/Small/Half
- The Large aperture is used for a dilated pupil after administering mydriatic drops.
- The medium aperture is the standard for a non-dilated pupil in a dark room.
- The small aperture is for a constricted pupil in a well-lit room.
- Red free
- Used to look closely at the vasculature.
- Blue
- Used to look for corneal abrasions or ulcers with fluorescein dye.
- Slit
- Used to look at contour abnormalities of the cornea, lens or retina.
- Grid
- Used to approximate the relative distance between retinal lesions.
