Dynamic Lens Training for Children's Myopia Correction - Ophthalmology

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Vision correction for children


Dear Dr.
Liu,
Hello, my daughter is 5 years old.
In February, she was diagnosed with myopia ranging from 100 to 150 degrees.
Later, I found online that an ophthalmologist has invented a dynamic lens vision training method that utilizes intermittent rotational movements of "prisms" and "convex lenses" to achieve relaxation of the eyes.
This method is based on physical principles to correct myopia.
From your professional perspective, do you think this method is truly effective? If we are not seeking to correct her vision but only wish to maintain her current eyesight, can this method achieve that?
Since the inventor is a physician, is there any relevant medical literature on this? Additionally, my greatest concern is whether long-term use of this method, if ineffective, could lead to adverse effects on her vision.
I apologize for asking so many questions; I am just very worried.
Thank you!
A concerned father

Worried Father, 30~39 year old female. Ask Date: 2007/04/16

Dr. Liu Jingxian reply Ophthalmology


Hello Sir: Children's accommodative ability is stronger than that of adults.
Excessive use of the eyes, especially prolonged near-distance reading, can lead to "ciliary muscle tension" due to over-accommodation.
If the ciliary muscle cannot fully relax as a result, it can cause the development of myopia, which is induced by the eye's accommodation and is also known as "accommodative myopia" or "pseudomyopia." Therefore, if the eyes are allowed to relax and rest appropriately, or if "ciliary muscle relaxants" are used to alleviate ciliary muscle tension, this type of "pseudomyopia" can often return to normal.
However, if the ciliary muscle remains tense over a long period, it can lead to structural changes in the lens, resulting in "true" myopia.
The principles of dynamic lens vision training may require further understanding.
This training method can help relax the eye muscles, achieving a relaxation effect.
It is recommended to further discuss this information and literature with the physician.
Additionally, paying attention to the reading environment is also very important: 1.
Appropriate lighting: The most comfortable brightness is a 60-watt bulb or a 20-watt or higher fluorescent or LED light, illuminating from the left rear.
2.
Correct reading distance: The distance between the eyes and the reading material should not be less than 35 centimeters.
3.
Adequate breaks: To avoid excessive tension in the eye muscles leading to fatigue, after reading for 50 minutes, one should stand up, move around, and look into the distance for 5-10 minutes.
Regularly taking care of eye health, avoiding excessive eye strain, and not over-fatiguing the eyes is the way to love your eyes.
Wishing you good health.
Taiwan e-Academy Ophthalmology Taipei City Hospital Renai & Zhongxing Branches Dr.
Liu Jingzhen April 17, 2007.

Reply Date: 2007/04/16

More Info


Dynamic lens training, as described in your inquiry, is an innovative approach that aims to address myopia (nearsightedness) in children through the use of prisms and convex lenses that intermittently rotate. The underlying principle is to provide a form of visual stimulation that may help relax the eye muscles, particularly the ciliary muscle responsible for focusing. This method is intriguing and certainly warrants further exploration, especially given the increasing prevalence of myopia in children.


Effectiveness of Dynamic Lens Training
While the concept of dynamic lens training is based on sound optical principles, its effectiveness in treating or preventing myopia is still a matter of ongoing research. Current evidence supporting the efficacy of such methods is limited. Most studies on myopia management focus on established treatments such as orthokeratology (corneal reshaping), multifocal contact lenses, and pharmacological interventions like atropine eye drops. These methods have shown varying degrees of success in slowing the progression of myopia in children.

Dynamic lens training may provide some benefits in terms of eye relaxation and reducing eye strain, particularly in children who spend prolonged periods on near tasks, such as reading or using electronic devices. However, it is crucial to note that while these exercises may help alleviate symptoms of eye fatigue, they are not a substitute for corrective lenses if myopia is present.


Maintaining Current Vision
If your primary goal is to maintain your daughter's current vision without necessarily correcting it, dynamic lens training could potentially assist in reducing eye strain. However, it is essential to monitor her vision regularly with an eye care professional to ensure that her myopia does not progress. Regular eye exams will help determine if any changes in her vision occur and whether additional interventions are necessary.


Research and Literature
Regarding the availability of medical literature on dynamic lens training, it is advisable to consult with the ophthalmologist who developed this method. They may have conducted studies or have access to research that supports the efficacy of this training. Peer-reviewed journals and ophthalmology conferences may also provide insights into emerging treatments for myopia, including dynamic lens training.


Concerns About Long-Term Use
Your concern about the long-term effects of using dynamic lens training is valid. While the method is designed to relax the eye muscles, it is essential to ensure that it does not inadvertently lead to any adverse effects. Continuous monitoring of your daughter's vision is crucial. If she experiences any discomfort, visual disturbances, or if her myopia worsens, it would be prudent to discontinue the training and consult with an eye care professional.


Conclusion
In summary, dynamic lens training presents an interesting approach to managing myopia in children, particularly for alleviating eye strain. However, its effectiveness as a standalone treatment remains uncertain, and it should not replace traditional corrective measures when necessary. Regular eye examinations and consultations with an eye care professional are essential to ensure your daughter's visual health and to make informed decisions about her eye care regimen. As a concerned parent, your vigilance in monitoring her vision and seeking professional advice is commendable and will contribute significantly to her eye health.

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