To change the opacity of the selection in GIMP 2, you can use the "Opacity" slider in the "Tool Options" panel. First, make a selection using any of the selection tools (e.g., Rectangle Select, Ellipse Select, Free Select). Then, go to the "Tool Options" panel and locate the "Opacity" slider. Adjust the slider to change the opacity of the selection. This will allow you to make the selection more or less transparent, depending on your preference. **

Yes, a vitreous opacity can potentially disappear again. The resolution of a vitreous opacity depends on the underlying cause. In some cases, such as with posterior vitreous detachment or inflammation, the opacity may resolve on its own over time. However, in other cases, such as with certain types of eye diseases or conditions, the opacity may be more persistent and require treatment to improve or resolve. It is important to consult with an eye care professional for proper evaluation and management of vitreous opacities. **

The duration of a vitreous opacity can vary depending on the underlying cause. In some cases, it may resolve on its own within a few weeks to months. However, if the opacity is due to a more serious condition such as a retinal detachment or inflammation, it may persist until the underlying issue is treated. It is important to consult with an eye care professional for an accurate diagnosis and appropriate management. **

Corneal opacity in guinea pigs refers to a condition where the cornea, the transparent outer layer of the eye, becomes cloudy or opaque. This can be caused by various factors such as infections, injuries, or underlying health issues. Corneal opacity can affect the guinea pig's vision and overall eye health, so it is important to seek veterinary care if you notice any changes in your pet's eyes. Treatment will depend on the underlying cause of the opacity and may include medications, surgery, or other interventions to improve the guinea pig's eye health. **

Mouches Volantes, also known as vitreous opacity, are floaters or spots that appear in a person's field of vision. These are caused by tiny fibers or cells that are suspended in the vitreous humor, the gel-like substance that fills the eye. While they are usually harmless, they can be bothersome and may indicate underlying eye conditions such as retinal detachment or inflammation. It is important to consult an eye care professional if you notice an increase in floaters or experience flashes of light in your vision. **

A glaze with good opacity will have a strong ability to cover the underlying surface, providing a solid and consistent color without any visible streaks or patches. It should also have a smooth and even finish, with no transparency or translucency that allows the underlying surface to show through. Additionally, a glaze with good opacity should maintain its color and coverage even after firing, without any significant changes in appearance. Overall, a glaze with good opacity will provide a solid, consistent, and opaque finish on the ceramic surface. **

Vitreous opacity can lead to floaters because when the vitreous humor, the gel-like substance in the eye, becomes more opaque or develops clumps, it casts shadows on the retina. These shadows are perceived as floaters, which are small, dark spots or lines that seem to drift in the field of vision. The floaters are more noticeable when looking at a bright, uniform background such as a clear sky or a white wall. **

Vitreous opacity at a young age refers to the presence of cloudiness or opacities in the vitreous humor, the gel-like substance that fills the space between the lens and the retina in the eye. This condition can be caused by a variety of factors, including inflammation, trauma, or genetic predisposition. It can lead to visual disturbances such as floaters, blurred vision, or decreased visual acuity. Treatment options may include observation, medication, or surgery, depending on the underlying cause and severity of the condition. **