Corneal ulcer sequelae
Hello, Doctor.
After recovering from a corneal ulcer in early April this year, I have noticed that my vision becomes blurry and difficult to focus when I concentrate on looking at things.
This used to happen rarely, but due to my job, I need to look at screens or printed documents for long periods and cannot take breaks for a few minutes after using my eyes.
I would like to ask: 1.
What causes my eyes to become easily blurry and difficult to focus? 2.
In previous visits, the doctor recommended artificial tears, but last time I was advised to use eye fatigue drops.
Should I purchase and use both types of drops, or is there one I should choose? 3.
If I want to buy either of the two types of drops, how should I choose, and are there any precautions I need to take when using them? 4.
Because my right eye has a scar that obstructs my vision at certain angles, I find myself instinctively avoiding that angle or using my left eye to look.
Will this angled viewing have any negative effects? Thank you again, Doctor, for taking the time to answer my questions amidst your busy schedule!
Niming, 20~29 year old female. Ask Date: 2023/09/17
Dr. Gao Pilin reply Ophthalmology
Hello: 1.
Blurred vision and difficulty focusing may be related to your previous corneal ulcer.
The ulcer can cause some damage to the cornea, potentially affecting visual quality and focusing ability.
Prolonged near work, such as staring at screens or documents for extended periods, may also increase the risk of blurred vision.
2.
Regarding the use of artificial tears and eye fatigue drops, it is recommended that you follow your physician's advice from your most recent visit.
If your doctor has advised the use of eye fatigue drops, you may prioritize using those.
If you have any questions, you can consult your doctor again.
3.
When selecting eye drops, you can follow your doctor's prescription or recommendations.
If you need to purchase them yourself, you can typically find these products at a pharmacy.
When using them, please follow the instructions on the product label.
Generally, artificial tears are used for lubrication and moisturizing the eyes, while eye fatigue drops may contain medicinal ingredients that help alleviate discomfort from prolonged use of the eyes.
4.
If there is a scar on your right eye and your vision is affected at certain angles, this may impact visual quality.
If you unconsciously avoid certain angles or use your left eye to see, it may affect your accurate perception of objects.
However, if this is the only way you can see clearly, it is unavoidable, and the impact on your eyes may lead to increased fatigue.
Reply Date: 2023/09/17
More Info
After experiencing a corneal ulcer, it is not uncommon to encounter lingering symptoms such as blurred vision and difficulty focusing. These issues can be particularly challenging for individuals who need to work long hours in front of screens or with printed materials. Let's address your concerns one by one.
1. Causes of Blurred Vision and Difficulty Focusing: The primary reason for your blurred vision and difficulty focusing could be related to the damage caused by the corneal ulcer. The cornea is crucial for focusing light onto the retina, and any scarring or irregularities can disrupt this process. Additionally, prolonged screen time can lead to digital eye strain, which exacerbates symptoms like blurred vision, dryness, and discomfort. The combination of these factors can make it difficult for your eyes to maintain clear focus, especially during extended periods of visual tasks.
2. Artificial Tears vs. Eye Fatigue Drops: Your eye care provider has suggested both artificial tears and eye fatigue drops. Artificial tears are typically used to lubricate the eyes and relieve dryness, while eye fatigue drops may contain ingredients designed to soothe tired eyes and reduce discomfort from prolonged use. If your eyes feel dry and fatigued, it may be beneficial to use both types of drops. However, prioritize the one that addresses your most pressing symptom. If dryness is your primary concern, start with artificial tears. If fatigue is more bothersome, opt for the fatigue drops. Always follow your doctor's recommendations regarding usage.
3. Choosing and Using Eye Drops: When purchasing eye drops, look for preservative-free options, especially if you plan to use them frequently. Preservative-free artificial tears are gentler on the eyes and less likely to cause irritation. For eye fatigue drops, check the ingredients to ensure they contain soothing agents like lubricants or anti-inflammatory components. Always read the instructions on the packaging and consult your eye care provider if you have any questions about which product to choose or how to use them effectively.
4. Impact of Scar Tissue on Vision: If you have scar tissue in your right eye that obstructs your view at certain angles, it is natural to subconsciously avoid looking in that direction. This behavior can lead to compensatory habits, such as relying more on your left eye. While this may not cause immediate harm, consistently avoiding the affected eye can lead to further imbalance in visual processing and may contribute to eye strain or fatigue. It is essential to work on strengthening the vision in your right eye through exercises or therapies recommended by your eye care provider.
In conclusion, it is crucial to maintain regular follow-ups with your eye care professional to monitor your recovery and address any ongoing symptoms. They can provide tailored advice and adjustments to your treatment plan as needed. Additionally, consider implementing good eye care practices, such as taking regular breaks (the 20-20-20 rule: every 20 minutes, look at something 20 feet away for 20 seconds), ensuring proper lighting while working, and practicing good screen hygiene. These measures can help alleviate discomfort and improve your overall visual health as you continue to recover from your corneal ulcer.
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