The 1442 eyes studied (mean age: 52.48Â±11 years) included 816 eyes with a cataract and 626 eyes with a clear lens. Irrespective of age and AL, the distribution of mean lens thickness per clear lens and different cataract types is depicted in Table 1a.
While cerebral aneurysms are often symptomless, they can cause headaches on occasion. While not common, even an aneurysm that has not ruptured may cause headaches in some individuals. A person may notice an abrupt, severe headache, or a series of headaches different from their âusualâ ones.
Migraine with or without aura. Migraines without aura are more common and may cause severe head pain, vision problems, vertigo, sensitivity to light and nausea. People who have migraines with aura typically experience warning symptoms 20 minutes to an hour before the headache begins.