Đề nghị năng lượng tia 6X 10X 16X 40X Chiều rộng 1 2 3 4 hẹp (Hình 2-10) (Hình 2-11) bit rộng hơn một chút nhưng rộng hơn (Hình 2-12) đầy đủ độ rộng (Hình 2-13) góc, giác mạc , trước buồng thuỷ tinh, ống kính, vv bên ngoài, ống kính liên lạc bên ngoài, | 20 Chapter 2 Suggested Power TABLE 2-1 SLIT LAMP EXAMINATION 6X or 10X 16X 40X Beam Width external lids conjunctiva contact lenses angles cornea lens foreign bodies corneal abrasions corneal endothelium described in text 1 narrowest Figure 2-10 2 a bit wider Figure 2-11 3 a bit wider yet Figure 2-12 4 full width Figure 2-13 angles cornea anterior chamber cornea lens etc external contact lenses external applanation tension with blue filter Beam Height full short Figure 2-14 Color Filter most areas and structures checking anterior chamber for cells flare white blue green red-free Position of light source most areas and structures use fluorescein dye applanation tensions corneal staining tear film staining patterns of rigid contact lenses evaluating blood vessels iron lines R right L left C center degrees given indicated at base of illumination arm Stage position R right L left Abbreviations OD right eye OS left eye SCH subconjunctival hemorrhage AC anterior chamber SPK superficial punctate keratopathy PEE punctate epithelial erosions PSC posterior subcapsular cataract AT applanation tension Note Unless contraindicated fluorescein is instilled before slit lamp exam begins. Abnormalities are explained in Chapter 5. The Basic Slit Lamp Exam 21 Table 2-1 continued SLIT LAMP EXAMINATION Suggested Slit Lamp Exam Protocol Settings Area Structure Observe for Power 10X Width 2 to 4 Height full Color white Position R sweep to L Stage L Position R sweep to L Stage R OD Lids Figure 2-15 OS Lids blepharospasm collarettes coloboma crusting matting discharge edema swelling erythema growths lash loss lid closure lid lag lid position notching reflux trauma OD Conjunctiva Episclera Sclera Figure 2-16 Power 10X to 16X ciliary flush Width 2 color Position L sweep to R dryness Stage L edema chemosis follicles foreign body growths injection leash vessels papillae pinguecula scleral show scleral thinning SCH trauma OD Tear Film Power 10X to 16X break up time Width 2 debris Position L sweep
