Risks of Cataract Surgery in Patients with High Myopia and Thin Retina - Ophthalmology

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Retina & Cataracts


Due to high myopia, the retina is very thin, and there is also cataract.
If cataract surgery is performed, is there a risk of damaging the retina, leading to detachment or rupture, and resulting in blindness?

Lin Fen, 50~59 year old female. Ask Date: 2020/07/21

Dr. He Jianxian reply Ophthalmology


Dear Mr.
Lin: Cataract surgery generally does not damage the retina.
However, the surgical process of cataract removal can sometimes slightly increase the risk of retinal detachment in the future.
Nonetheless, this risk is very small, and there is no need to avoid cataract surgery for this reason.
Sincerely, Dr.
He Jianxian, Director of Ophthalmology, Nantou Hospital.

Reply Date: 2020/07/21

More Info


Cataract surgery in patients with high myopia presents unique challenges and risks, particularly concerning the retina. High myopia (or severe nearsightedness) is associated with a thinner retina and an increased risk of retinal complications, including retinal detachment. This concern is particularly relevant for patients who have a history of retinal issues, such as retinal detachment or surgery, as you mentioned in your case.


Risks of Cataract Surgery in High Myopia
1. Increased Risk of Retinal Detachment: Studies have shown that patients with high myopia have a higher incidence of retinal detachment, especially after cataract surgery. The surgery itself can induce changes in the vitreous body, which may lead to traction on the retina. This is particularly concerning in patients with a pre-existing thin retina, as the structural integrity of the retina is compromised.

2. Surgical Technique and Considerations: Surgeons must be particularly cautious when performing cataract surgery on patients with high myopia. The use of advanced techniques, such as femtosecond laser-assisted cataract surgery, may help minimize trauma to the surrounding structures, including the retina. However, the inherent risks associated with high myopia remain.

3. Postoperative Monitoring: After cataract surgery, patients with high myopia should be closely monitored for signs of retinal detachment. Symptoms such as flashes of light, floaters, or a sudden decrease in vision should prompt immediate evaluation by an eye care professional.


Choosing the Right Surgeon
Given the complexities involved, selecting a surgeon with experience in managing cataract surgery in high myopia patients is crucial. A surgeon who specializes in retinal conditions or has a strong understanding of the implications of high myopia on surgical outcomes can provide a more tailored approach to your care. While both retina specialists and general ophthalmologists can perform cataract surgery, those with specific experience in high myopia may be better equipped to handle potential complications.


Alternatives and Considerations
If the risks associated with cataract surgery seem too high, it may be worth discussing alternative options with your eye care provider. In some cases, managing cataracts with non-surgical interventions, such as glasses or contact lenses, may be appropriate, especially if the cataracts are not significantly impairing vision.


Conclusion
In summary, while cataract surgery can be performed safely in patients with high myopia, it carries an increased risk of retinal complications, particularly in those with a thin retina. It is essential to have a thorough discussion with your ophthalmologist about your specific risks and the experience of the surgeon you are considering. Close postoperative monitoring is vital to detect any complications early. Ultimately, the decision to proceed with surgery should be made collaboratively, weighing the benefits against the potential risks.

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