1. The resilience punching coating pachymeter has small size, light weight, and easy use, and can solve the problem of measuring the coating thickness at the construction field site.

2. 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.

3. Objective To determine the relationship between corneal thickness changes measured by ultrasonic pachymeter and outcomes after penetrating keratoplasty.

4. Methods The CCT was measured in 36 cases with OH and 50 normal subjects with an ultrasonic pachymeter. The data observed were compared.

5. IOP reading was measured with noncontact tonometer; central corneal thickness were measured with ultrasonic corneal pachymeter.