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Wang Hui Zhen
Ophthalmology
About me
Ophthalmology, Associate Chief Physician.
Proficient in diseases
Diagnosis and treatment of common eye diseases.
Voices
What should I do if night blindness is afraid of sunlight?
People with night blindness, who are sensitive to sunlight, can wear sunglasses when going out, and should actively seek treatment for night blindness. Night blindness refers to the blurriness or complete inability to see in dim light or at night, which makes mobility difficult. Night blindness can be categorized into congenital night blindness, acquired night blindness, and temporary night blindness. Congenital night blindness is mostly related to hereditary factors, where patients are born lacking the ability to synthesize rhodopsin, leading to night blindness. It is recommended to supplement vitamin A in appropriate amounts, and gene therapy is a potential treatment direction. Acquired night blindness is generally caused by diseases of the retina or other eye conditions, and it is recommended to actively treat the primary disease. Temporary night blindness is often due to a lack of vitamin A in the diet or due to some digestive system diseases affecting the absorption of vitamin A. It is advisable to supplement vitamin A as per medical advice and actively treat digestive tract diseases.
Is retinal detachment a minor surgery?
Retinal detachment surgery is considered major surgery in ophthalmology, where retinal detachment refers to the separation of the retinal neuroepithelium from the pigment epithelium. There are many surgical methods for retinal detachment, including external scleral buckling, internal vitrectomy, gas injection into the vitreous, and the use of silicone oil, among others. Generally, internal procedures carry a greater risk than external ones. Retinal detachments can be categorized into rhegmatogenous retinal detachment and non-rhegmatogenous retinal detachment. Rhegmatogenous retinal detachment usually requires surgical treatment and is commonly seen in cases of high myopia, artificial intraocular lenses, aphakia, and ocular trauma that cause retinal detachment. Non-rhegmatogenous retinal detachment can be divided into tractional retinal detachment and exudative retinal detachment. Tractional retinal detachment often requires surgical treatment, whereas exudative retinal detachment usually does not require surgery.
Can astigmatism and strabismus be corrected?
Astigmatism and strabismus can sometimes be corrected, depending on their severity. Astigmatism refers to the condition where parallel light rays entering the eye cannot focus on a single point on the retina after being refracted by the eye's optical system, instead forming two focal lines, ultimately failing to produce a clear image on the retina. Astigmatism can be categorized into regular and irregular types. Regular astigmatism can be corrected with cylindrical lenses in eyeglasses; while irregular astigmatism generally requires correction with contact lenses. Additionally, after reaching 18 years of age, astigmatism can also be corrected through refractive surgery. Generally, mild astigmatism does not impact vision and does not require special treatment; however, moderate to severe astigmatism, if uncorrected, might lead to amblyopia and other vision impairments. Strabismus means that when one eye is focusing, the visual axis of the other eye deviates from being parallel, presenting an abnormal eye position. It is generally recommended to start treatment immediately after diagnosing strabismus. If there is significant refractive error, glasses should be prescribed first. If glasses cannot correct the condition, surgery might be necessary.