the exact measurement of keratometry and anterior chamber depth are of major importance for the implantation of intraocular lens(iol)in refractive surgery and the research of refractive errors.
準确测量角膜曲率和前房深度对于屈光手术中人工晶体屈光度的计算以及屈光不正的研究有着重要的意义。
the dgh-4000 ultrasonic pachymeter was used in the measurement of the anterior chamber depth (ad), lens thickness (lt) and axial length (al) in 72 patients with myopia and 18 individuals.
other worrisome signs are a loss of anterior chamber depth due to leaking aqueous humor, a teardrop-shaped pupil, hyphema, or prolapse of uveal tissue/choroid through a wound.
conclusion the length of axis, corneal refractive power, lens thickness, anterior chamber depth and age have certain effect on the spherical equivalent refraction.