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.
Symptoms of a ruptured brain aneurysm often come on suddenly. If you have any of the following symptoms or notice them in someone you know, call 911 or other emergency services right away 1  : A sudden, severe headache that is different from past headaches.2  Neck pain. 3  Nausea and vomiting.4  Sensitivity to light.ymptoms of a ruptured brain aneurysm often come on suddenly. If you have any of the following symptoms or notice them in someone you know, call 911 or other emergency services right away 1  : A sudden, severe headache that is different from past headaches. 2  Neck pain.