Methods of high myopia examination in guangzhou ophthalmology department
Myopia is a common ophthalmic problem, and high myopia is also a common eye health problem in Guangzhou. For patients with high myopia, Guangzhou eye hospitals use a variety of methods to carry out eye examinations to determine the degree of myopia and develop appropriate treatment programs.
1. Vision examination
Vision examination is the most basic method to judge the degree of myopia. Eye hospitals in Guangzhou usually use a standard visual acuity chart for examination. The patient needs to stand at a distance away from the visual acuity chart and read the letters or symbols on the chart. The doctor will judge whether the vision is normal or not according to the smallest font size that the patient can recognize. If the patient's far vision is impaired, that is, it is difficult to see distant objects clearly, it may be diagnosed as high myopia.
The eye hospital in Guangzhou can also carry out a vision adjustment test by letting patients wear glasses of different degrees to judge their myopia. The doctor will determine the degree of myopia according to the degree of lens that the patient can clearly see.
In addition, the eye hospital will also carry out naked eye vision examination to assess the myopia of patients without any corrective measures. This examination can help doctors to determine the original myopia degree of patients and develop appropriate treatment plans for them.
2. Corneal topography examination
Corneal topography is an examination method used to evaluate corneal morphology. In Guangzhou Eye Hospital, doctors will use corneal topography to understand the patient's corneal curvature and radian. For patients with high myopia, the morphology of the cornea may change abnormally, such as thinning or flattening, which may lead to visual loss.
Through corneal topography examination, ophthalmologists can assess the health of the cornea and determine whether there are other eye diseases, such as corneal diseases or corneal deformation. This information is helpful for doctors to develop appropriate treatment plans for patients with high myopia.
3. Fundus examination
Fundus examination is one of the important methods to evaluate the eye health of myopia patients. Through the use of special instruments, doctors can observe and examine the patient's retina, optic nerve, fundus blood vessels and other structures. For patients with high myopia, fundus examination can help doctors understand whether there is retinal detachment, macular lesions or other structural abnormalities.
Guangzhou Eye Hospital provides high definition fundus imaging technology, which can more accurately observe the fundus of patients. These images can be used to evaluate the treatment effect and help doctors find potential eye health problems in a timely manner.
4. Optometry and preoperative evaluation
Optometry is one of the methods to determine the appropriate glasses for the patient's eyes. By measuring the patient's eyeball and cornea, the doctor can determine the degree of correction required by the patient. For patients with high myopia, doctors usually recommend to choose myopia correction lenses or other correction methods, such as corneal shaping glasses.
In the eye hospital in Guangzhou, doctors will also conduct preoperative evaluation to determine whether laser in situ keratomileusis (LASIK) or other surgical treatment is suitable. These assessments typically include corneal thickness measurements, eye structural examinations, and eye health assessments.
Summary
The ophthalmic examinations for patients with high myopia in Guangzhou Eye Hospital mainly include visual acuity examination, corneal topography examination, fundus examination, optometry and preoperative evaluation. These examination methods help doctors to assess the degree of myopia and the health of patients' eyes, so as to develop appropriate treatment plans. Through timely ophthalmic examination, patients with high myopia can better manage and protect their vision health.
