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.
A brain aneurysm rarely causes any symptoms unless it bursts (ruptures). However, unruptured brain aneurysms occasionally cause symptoms if they are particularly large or press against tissues or nerves inside the brain. Symptoms of an unruptured brain aneurysm can include:ymptoms of a ruptured brain aneurysm usually begin with a sudden agonising headache. It's been likened to being hit on the head, resulting in a blinding pain unlike anything experienced before. Other symptoms include: 1  stiff neck. 2  feeling or being sick.