Slit lamp Exam/SLE

For viewing adnexa, what are the settings?

• Magnification: 10X

• Beam Height: MAX

• Beam Width: MAX

• Filter: IN (grey filter)

• Angle: click-stop to 50

For viewing lids and lashes, what are the settings?

• Magnification: 10X

• Beam Height: MAX

• Beam Width: MAX

• Filter: IN

• Angle: click-stop to 50

For viewing conj and sclera, what are the settings?

• Magnification: 10X-16X

• Beam Height: MAX

• Beam Width: 4-6 mm

• Filter: IN

• Angle: click-stop to 50

For viewing Iris, what are the settings?

• Magnification: 10X

• Beam Height: 3-6 mm

• Beam Width: 4-6 mm

• Filter: IN; OUT for retroillumination

• Angle: click-stop

What are TIDs?

Transillumination defects

For viewing Cornea, what are the settings?

• Magnification: 16X

• Beam Height: MAX

• Beam Width: 4-6 mm

• Filter: OUT

• Angle: 30-50

For angle estimation/van herick, what are the settings?

• Magnification: 16X

• Beam Height: MAX

• Beam Width: 1 mm

• Filter: OUT

• Angle: 45-60

How do you grade an angle estimation?

• Grade 4: chamber > section

• Grade 3: chamber = ¼ to ½ section

• Grade 2: chamber = ¼ section

• Grade 1: chamber < ¼ section

If the pt has a grade 2 or less, what needs to be done?

Gonioscopy

For viewing the anterior chamber, what are the settings?

• Magnification: 16X then 25X

• Beam Height: 1-3 mm

• Beam Width: 1-3 mm

• Filter: OUT

• Angle: 45

How is the anterior chamber graded?

For viewing the lens, what are the settings?

• Magnification: 16X

• Beam Height: 6 mm, just be bigger than pupil

• Beam Width: 4-6 mm

• Filter: OUT

• Angle: 20-30

How is normal/no abnormalities documented?

• For adnexa, lids, conj and sclera, cornea, iris, lens: nromal, clear, WNL

• Anterior Chamber: Deep and Quiet

Summary of structures and type of beam used.