A new retinoscope with the ultrasonic distance measure instrument is designed for directly displaying the dioptre of artificial myopia caused by retinoscopy distance.Optometrist can obtain real dioptre of the patient if only adding the direct dioptre of artificial myopia to neutral dioptre obtained at roll-back point.This instrument can obviously increase the accuracy of refraction.

This paper introduces the feature of binocular indirect ophthalmoscope and its application in ophthalmologic examination and operation. Compared with direct ophthalmoscope, binocular indirect ophthalmoscope has many special advantages owing to its unique illumination system and principle of formation of image. Most of ocular fundus diseases can be diagnosed correctly by binocular indirect ophthalmoscope. The view is that the inspection technique of binocular indirect ophthalmoscope is the most convenient and predominant in fundus examination, ophthalmology operation and treatment until now, and is of value in use.

This article is mainly about the application of wavefront aberration technology in clinical ophthalmology, including refractive surgery, cataract, retinal disease, ophthalmoxerosis, diplopia, keratoconus, etc. The wavefront aberration technology can not only be used to estimate the surgery method of cataract, but estimate the influence of IOL materials and designs on the human eye's image quality, all of which are intend to find the optimal treatment method, and to further decrease the impact that the glare disability and low visual acuity at night produce on the human eyes. Now, the prospect of wavefront aberration application on ophthalmology is cheerful, however, the specifical application technology of wavefront aberration is still in its infancy. The basic research about the accommodation, age and chromatic aberration needs to be intensified. So there is still a bunch of tasks that inferred the clinical ophthalmology application of wavefront aberration for us to process.