Seiler T, Kahle G, Wollensak J
Augenklinik, Klinikum Carl-Gustav-Carus, Technischen Universität Dresden.
Ophthalmologe. 1995 Aug;92(4):492-5.
The morphologic correlate of the so-called subepithelial haze after photorefraktive keratectomy (PRK) has not yet been decided. Excimer laser keratectomy 100 microns in depth was performed in an eye that was scheduled for enucleation. Three months after surgery a dense scar was diagnosed with the slit lamp. After enucleation the cornea was investigated by light microscopy. The thickness of the scar was less than 1 micron in most sections with a maximum of 5 microns. This surprising finding explains the predominantly scattering power of the subepithelial haze, which results in a relatively good visual acuity of 20/30 to 20/25 in most clinical cases.
准分子激光角膜切削术（PRK）后所谓的上皮下混浊的形态学相关因素尚未确定。对一只计划摘除眼球的眼睛进行了深度为100微米的准分子激光角膜切削术。术后三个月，裂隙灯检查诊断为致密瘢痕。眼球摘除后，通过光学显微镜对角膜进行研究。在大多数切片中，瘢痕厚度小于1微米，最大为5微米。这一惊人发现解释了上皮下混浊主要的散射能力，这导致在大多数临床病例中视力相对较好，可达20/30至20/25。
