Vision Changes: Blackout in Lower Right Eye Field - Ophthalmology

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The symptoms you are experiencing, particularly the blackout or haziness in the lower right visual field, can be concerning, especially given your history of high myopia and increased floaters. It's important to consider several factors that might contribute to these visual changes.

Firstly, the use of orthokeratology lenses (commonly known as corneal reshaping lenses) can sometimes lead to temporary visual disturbances, especially if there is a change in the shape of the cornea or if the lenses are not fitting properly. However, since you have stopped wearing them for two weeks and are still experiencing symptoms, it is less likely that the lenses are the sole cause of your current visual issues.

The phenomenon of seeing a "foggy" or "black" area in your vision, especially when transitioning from bright to dim lighting, can be attributed to several factors. One possibility is that your eyes are having difficulty adjusting to changes in light levels, which can be exacerbated by fatigue or strain. This is particularly relevant if you have been experiencing eye fatigue, as the eye's ability to focus and adapt can be compromised when tired.

Additionally, the increase in floaters you mentioned could be related to changes in the vitreous gel within your eye, which is common in individuals with high myopia. Floaters can become more noticeable when there are changes in lighting or when looking at a plain background, such as a clear sky or a white wall. While floaters are usually benign, a sudden increase in their number or changes in your vision should always be evaluated by an eye care professional.

Given that you have undergone comprehensive eye examinations, including dilated fundus examination, visual field testing, and Optical Coherence Tomography (OCT), and no significant abnormalities were found, it is reassuring. However, if your symptoms persist or worsen, further investigation may be warranted. This could include additional imaging studies or consultations with specialists in retinal diseases or neuro-ophthalmology to rule out any underlying conditions that might not have been detected in initial assessments.

It is also worth noting that individuals with a history of retinal issues, such as retinal detachment or macular problems, should be vigilant about any changes in their vision. If you notice any new symptoms, such as flashes of light, a sudden increase in floaters, or a curtain-like shadow over your vision, you should seek immediate medical attention.

In summary, while your symptoms may be related to the transition from wearing orthokeratology lenses, eye fatigue, or the natural progression of floaters, it is crucial to continue monitoring your vision and maintain regular follow-ups with your eye care provider. They can provide the best guidance tailored to your specific situation and ensure that any potential issues are addressed promptly.