序言软性白内障之疗法国内外眼科医师仍多施行截襄术及线状摘出术。截襄术虽属简单易行,然而是靠其自行吸收,若停止吸收,则须施行第二次手术,将障质引出。这样不仅使病人精神上遭受不必要之痛苦,经济上也遭遇莫大的损失,若障质阻塞前房角,并有诱发青光眼的威胁。线状摘出术其操作过程较复杂,且创口须宽大些(6—8毫米),若遇不合作之患 Preface soft cataract therapies at home and abroad, ophthalmologists are still more truncated surgery and linear extirpation. Although it is simple and easy to practice, it is absorbed by itself. If it is stopped, a second operation should be performed to lead the barrier. This not only makes the patient psychologically suffering unnecessary distress, but also suffered great economic losses, if the obstruction of the anterior chamber angle, and the threat of glaucoma. Linear extirpation of the operation process is more complicated, and the wounds to be larger (6-8 mm), in case of non-cooperation