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Tao Yuan
Ophthalmology
About me
Ophthalmology Deputy Chief Physician, Master of Ophthalmology, main research direction: Engaged in clinical work in ophthalmology for more than ten years, with rich clinical experience in the diagnosis, treatment, and surgery of various common eye diseases.
He has led or participated in 3 upgraded projects and 2 municipal-level projects. Published more than ten articles in domestic and foreign journals, with 4 of them included in SCI.
Proficient in diseases
Diagnosis and surgical treatment for various types of glaucoma, cataracts, ocular surface diseases, and eye injuries.
Voices
Cataract Causes
Cataracts can be caused by many reasons, with the following common scenarios: First, due to aging factors, as age increases, the proteins in the lens of the eye gradually degenerate, leading to cloudiness and reduced transparency of the lens, ultimately resulting in cataracts. Second, cataracts can be caused by eye trauma, where a significant impact can damage the structure of the lens. Third, they can be caused by chronic inflammation within the eye, such as uveitis or iridocyclitis, where the inflammation leads to the degeneration of lens proteins. Fourth, long-term use of steroid medications can affect the metabolism of lens proteins, thereby leading to the development of cataracts.
Will there be scars after entropion surgery?
After the surgery for trichiasis, scars may remain in the eyelid area. However, because the skin on the eyelids has a strong healing ability, the scars usually are not conspicuous. Trichiasis is usually caused by a spasm in the orbicularis oculi muscle inside the eyelid, leading to entropion. Eyelashes poking toward the corneal tissue scratch the corneal epithelium with each blink, causing redness, eye pain, foreign body sensation, photophobia, and tearing. If not treated promptly, it can easily lead to keratitis and may form scars within the corneal tissue, reducing corneal transparency and thus affecting the patient’s vision. Treatment typically requires surgery to remove excess loose skin on the eyelids and to eliminate part of the spasmodic orbicularis oculi muscle, returning the eyelid to its normal position and alleviating the symptoms.
Can people with high myopia and floaters undergo myopia surgery?
Patients with high myopia who experience floaters can also undergo myopia correction surgery to eliminate nearsightedness. However, symptoms of floaters will not improve after the surgery. The commonly used myopia correction surgeries include laser surgery and the implantation of a posterior chamber intraocular lens for aphakic eyes. Patients need to visit the ophthalmology department of a hospital for optometry, corneal topography, and A-scan ultrasound examinations. The type of surgery is then determined based on the condition of the eyes. Floaters are caused by the clouding of the vitreous body within the eye due to aging. They can be treated with oral medications to promote absorption. For example, currently, lecithin complex iodine tablets can be taken, but the absorption is slow, requiring patients to adhere to regular treatment. (Please follow the doctor's advice when taking medication.)
Can acute conjunctivitis cause facial swelling?
Acute conjunctivitis can possibly cause swelling of the eyelids and the face. Acute conjunctivitis is a common ophthalmic disease, usually caused by neglecting eye hygiene. For example, rubbing your eyes with dirty hands, washing your face with unclean water, and wiping your eyes with contaminated towels, tissues, or wet wipes can transfer viruses, bacteria, and other pathogens from the environment into the eyes, thereby causing infection and conjunctivitis. Inflammatory stimulation can cause reactive swelling of the skin adjacent to the eye. Conjunctivitis needs timely treatment with anti-infective eye drops to eliminate symptoms. For instance, bacterial infections can be treated with eye drops such as Levofloxacin Hydrochloride and Fusidic Acid, while viral infections can be treated with Ganciclovir and Acyclovir eye drops. (Please follow medical advice when using medications.)
Can strabismic amblyopia be cured after adulthood?
Strabismic amblyopia is one of the most common types of amblyopia, and it cannot be cured if the patient is already an adult. The formation of amblyopia is due to abnormal development of the retinal function in childhood, which leads to the patient experiencing reduced vision. Patients with strabismus have non-parallel visual lines of both eyes, which causes them to see inconsistent images, thus forming double images. This will make the brain suppress the vision of one eye to eliminate the symptoms of double images. The development of the retina in the suppressed eye will be abnormal, resulting in amblyopia. Treatment needs to be carried out before the age of 12 by covering the eye with better vision, and then conducting amblyopia training to stimulate the development of the retinal function of the weaker eye, thereby gradually improving vision. Subsequently, strabismus corrective surgery is used to treat strabismus, restoring the eyes' visual lines to a parallel state. After adulthood, as the development of retinal function has stopped, amblyopia can no longer be treated.
Why is astigmatism more serious than nearsightedness?
Astigmatism and myopia are both common eye diseases and are two different types of refractive errors. Under the same degree of refractive error, astigmatism can cause more damage to visual function than myopia. This is because patients with astigmatism usually experience abnormal development of the cornea, leading to different refractive powers in different directions. As a result, when light passes through the cornea and enters the eye, it cannot converge to form a single focus, but instead forms a line intersection, which greatly affects the quality of vision. On the other hand, myopia is caused by an overly long eye axis or excessive corneal refractive power. When light passes through the cornea and enters the eye, although it cannot focus accurately on the retina, it can still form a focus. Therefore, the impact on vision is less severe than that of astigmatism.
Can retinal detachment be treated with laser?
Retinal detachment can also be treated with laser therapy. Retinal detachment is a common eye disease and a type of fundus disease. It is usually caused by eye trauma, or the development of dry breaks or degenerative areas in the peripheral retina. Patients with retinal detachment experience symptoms such as shadows obstructing parts of their vision, distorted vision, and decreased visual acuity. If the area of detachment is small, it can be treated with laser therapy to seal off the detached area, thereby preventing the condition from worsening. If the area of retinal detachment is large, it cannot be cured with laser therapy alone. Surgical treatment is needed to reposition the retina, and during surgery, laser treatment is also necessary to seal the tears or deformed areas on the retina to prevent recurrence of the detachment.
Patients with night blindness are lacking something.
Night blindness is a common symptom in ophthalmology, referring to a condition where patients cannot see clearly in dim environments. Night blindness can be caused by various reasons, among which vitamin A deficiency night blindness occurs due to the patient's long-term picky eating or malnutrition, leading to insufficient intake of vitamin A. Vitamin A is an essential raw material for the synthesis of photosensitive substances in the retina, and its deficiency can lead to night blindness. Night blindness caused by retinal pigment degeneration, malnutrition of rod cells, and late-stage glaucoma does not involve a lack of nutritional elements in the patient's body. Instead, it results from damage to the rod cells in the retina or the nerve fiber layer, which prevents them from sensing light stimuli in dark environments.
Does strabismus diplopia occur in the early stages or later stages?
Patients with strabismus often exhibit symptoms of double vision in the early stages of the condition. Strabismus is a common ophthalmologic disease characterized by non-parallel visual directions of the eyes and uncoordinated eyeball movements. When one eye looks straight ahead at a target, the visual direction of the other eye may deviate. Based on the direction of deviation, strabismus can be further divided into types such as esotropia, exotropia, and vertical strabismus. Due to the inconsistent visual directions of both eyes in strabismus patients, the scenes viewed by each eye are different. The brain cannot merge the different views from both eyes, resulting in the appearance of double vision symptoms. The more severe the symptoms of strabismus, the more pronounced the symptoms of double vision typically are, and strabismus can be treated surgically to eliminate symptoms.
Does night blindness have anything to do with playing on mobile phones?
Night blindness is not related to using mobile phones. Night blindness can be caused by several reasons, with the common ones as follows: First, it can be caused by a deficiency in vitamin A, commonly seen in patients with long-term unbalanced diets and malnutrition. Vitamin A is an essential raw material for the synthesis of photosensitive substances in the retina. A deficiency in vitamin A can lead to abnormal retinal function, causing night blindness. This can be treated by taking vitamin A capsules orally or by consuming foods rich in vitamin A, such as animal liver and carrots. Second, it can be caused by retinitis pigmentosa, which is related to congenital developmental abnormalities. Currently, there are no effective treatments available. Third, it can be due to advanced glaucoma, where surgical treatment to lower eye pressure is needed to prevent and slow the progression of the condition.