Manual
Slit lamp exam
The Eye Exam
Slit lamp exam
Front-to-back anterior segment review.
- 1Lids & lashes: position, margin, meibomian glands, lash direction.
- 2Conjunctiva & sclera: injection pattern, follicles vs papillae, lesions.
- 3Cornea: clarity, epithelium (stain), stroma, endothelium (guttae, KP).
- 4Anterior chamber: depth (Van Herick), cell and flare with a 1×1 mm beam.
- 5Iris: transillumination, neovascularization, nodules.
- 6Lens: nuclear, cortical, PSC on retroillumination; pseudoexfoliation.
- 7Anterior vitreous: cells, pigment (Shafer sign).
| SUN cell grade | Cells in 1×1 mm field |
|---|---|
| 0 | < 1 |
| 0.5+ | 1–5 |
| 1+ | 6–15 |
| 2+ | 16–25 |
| 3+ | 26–50 |
| 4+ | > 50 |
| Van Herick | Peripheral AC depth : corneal thickness | Angle |
|---|---|---|
| 4 | ≥ 1 | Wide open |
| 3 | 1/2–1/4 | Open |
| 2 | 1/4 | Narrow — gonioscopy |
| 1 | < 1/4 | Very narrow — risk of closure |
Educational summary — follow local protocols and current guidelines.