In some cases, the vitreous gel can peel the retina away from the back of the eye, resulting in a macular hole or retinal tear. This can progress into a retinal detachment if left untreated. Injury or trauma Very occasionally, an injury to the eye or trauma can result in a retinal detachment.
Breathing at higher altitudes might be especially difficult if you have COPD as well as another condition, such as high blood pressure, heart disease, or diabetes. Being exposed to high-altitude conditions for more than several days can also affect the heart and kidneys.
Fear of flying, also known as aviophobia, is an Anxiety Disorder classified as a situational Specific Phobia. The person with fear of flying has a continuing and excessive fear triggered by flying or the thought of flying. Typically, flying is avoided or endured with intense anxiety, which may take the form of a panic attack.