Adjusting to Post-Cataract Surgery Vision Discrepancies: Tips and Insights - Ophthalmology

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Postoperative residual refractive error after cataract surgery?


Hello, I had cataract surgery on my left eye on September 12, using a monofocal aspheric intraocular lens.
I have a refractive error of -2.25 diopters for my left eye and -0.25 diopters of astigmatism.
My right eye has mild cataracts that do not require immediate treatment, but it has -1.00 diopters of myopia and -1.00 diopters of astigmatism.
I have prescription glasses with -1.75 diopters for my left eye and -1.00 diopters with -0.50 diopters of astigmatism for my right eye.
However, I experience dizziness and nausea when wearing the glasses.
The ophthalmologist said there were no issues with the surgery or the prescription, attributing it to a disparity in vision.
I am struggling to adapt and wonder if this sensitivity is due to my individual physiology.
Is it common for someone to be this sensitive? Should I consider reducing the prescription strength of my glasses? Additionally, I experience glare at night in the operated eye; will this gradually improve, or is it something I need to adapt to? Thank you for your patience.

W, 50~59 year old female. Ask Date: 2018/10/26

Dr. Liang Ce reply Ophthalmology


It is advisable for you to discuss your condition further with your attending physician.
Wishing you good health!

Reply Date: 2018/10/26

More Info


Hello! Thank you for reaching out with your concerns regarding your post-cataract surgery vision discrepancies. It's understandable to feel anxious about changes in your vision, especially after undergoing a significant procedure like cataract surgery. Let's break down your concerns and explore some insights and tips that may help you adjust to your new visual situation.


Understanding Vision Discrepancies Post-Surgery
After cataract surgery, it’s common for patients to experience some degree of visual discrepancy, especially if there is a difference in the prescription between the two eyes. In your case, you have a left eye that underwent surgery and a right eye that still has some degree of cataract. The difference in refractive power (the degree of nearsightedness and astigmatism) between your eyes can lead to a phenomenon known as "aniseikonia," where the brain struggles to merge the different images from each eye, resulting in discomfort, dizziness, or even nausea.


Sensitivity to Visual Changes
Your sensitivity to these changes is not uncommon. Some individuals are more sensitive to visual discrepancies than others, and this can be influenced by various factors, including the degree of difference in prescription, the quality of the lenses used, and individual neuro-visual processing. It’s important to recognize that everyone’s eyes and brain adapt differently to changes in vision.


Tips for Adjusting to Vision Discrepancies
1. Gradual Adaptation: Allow your eyes and brain time to adjust. It may take several weeks for your visual system to adapt to the new prescription. Try to wear your glasses consistently, even if it feels uncomfortable at first.

2. Consult with Your Eye Care Provider: Since you are experiencing significant discomfort, it’s crucial to follow up with your eye care provider. They may suggest a reassessment of your prescription or even a different type of lens that could help reduce the visual discrepancies.

3. Consider Lens Modification: If the current prescription is causing significant issues, discuss the possibility of modifying the lens power with your optometrist. Sometimes, a slight reduction in the prescription can alleviate symptoms of dizziness and discomfort.

4. Visual Therapy: In some cases, visual therapy can help retrain the brain to better process the images from each eye. This is something to discuss with your eye care provider.

5. Manage Glare and Night Vision: Regarding the glare you are experiencing at night, this is a common side effect after cataract surgery, especially with certain types of intraocular lenses. While some of this may improve over time, you can also discuss with your doctor about potential treatments or lens options that may reduce glare.

6. Patience and Monitoring: Keep a journal of your symptoms and any changes you notice. This can be helpful for your eye care provider to understand your situation better and make informed recommendations.


Conclusion
In summary, adjusting to post-cataract surgery vision discrepancies can be challenging, but with time and the right strategies, many patients find relief. It’s essential to maintain open communication with your eye care provider and discuss your symptoms thoroughly. They can provide tailored advice and interventions to help you adapt more comfortably to your new vision. Remember, your comfort and visual health are paramount, and there are options available to improve your situation. Thank you for your patience, and I wish you the best in your recovery and adjustment process!

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