Why weight loss was not the driver Here is the finding that makes the study especially interesting
The prescribing information advises taking a skipped dose within four days, but if more than four days have passed, the missed dose should be skipped and the next given on the regularly scheduled day
Warmth before injection reduces pain during insertion, while ice after injection can reduce post-injection soreness and bruising if applied for 510 minutes

Research has identified these alarming vision-related risks associated with GLP-1 medications: Sudden irreversible vision loss: NAION strikes without warning, often discovered upon waking, causing blurry or dim vision that progresses to immediate and permanent partial or complete blindness in the affected eye with no possibility of restoration Elevated risk across multiple studies: Beyond the Harvard findings showing 4-7 fold increased risk, a University of Southern Denmark study examining over 424,000 patients found weekly semaglutide users faced 2.19 times higher NAION risk European regulatory recognition: In June 2025, the European Medicines Agency officially recognized NAION as a possible side effect of semaglutide medications, marking formal acknowledgment by international regulators Complete absence of treatment options: Medical science currently offers no cure, no effective treatment, and no way to reverse NAION-related vision damage, leaving patients with permanent disability The permanent and irreversible nature of NAION-related optic nerve damage distinguishes these injuries from other complications that may resolve after discontinuing medication

People taking Wegovy lost an average of about 15% of their body weight over 68 weeks