Experiencing disorientation or unease after getting new eyeglasses is common. This initial adaptation period can manifest as nausea or dizziness. The human visual system is adaptable, but needs time to process new input. Understanding these reasons helps manage expectations and facilitate a smoother transition.
Understanding Why New Glasses Cause Discomfort
When new glasses are worn, the brain receives altered visual information. The visual cortex needs time to recalibrate to these changes. This recalibration affects depth perception and spatial awareness, leading to initial sensations of unsteadiness or disorientation.
A significant change in prescription strength alters how light enters the eye and is processed on the retina. Even minor adjustments can change image size or location, requiring the brain to adapt to new focal points and magnifications. This can cause visual distortions, such as a “fishbowl effect” where straight lines appear curved, contributing to dizziness.
Certain lens types introduce more pronounced visual adjustments. Progressive lenses, for instance, feature multiple focal zones for distance, intermediate, and near vision, which can cause peripheral distortion or a “swim” sensation. Lenses correcting astigmatism, which address irregular corneal shapes, can initially cause objects to appear warped or tilted until the brain adapts.
An improperly fitted frame can also contribute to discomfort. If the optical center of the lenses is not precisely aligned with the wearer’s pupils, even a slight misalignment can introduce prismatic effects. This forces the eyes to work harder to converge images, potentially leading to strain, headaches, and imbalance.
Tips for Adjusting to Your New Glasses
Begin by wearing new glasses for short durations, especially in familiar settings. This gradual approach allows the visual system to acclimate without prolonged strain. Progressively extend wear time each day, and avoid complex or fast-moving situations like driving during the initial adjustment period.
Once initial discomfort subsides, wear the new glasses consistently throughout the day. Switching between old and new glasses hinders the brain’s adaptation process, potentially prolonging the adjustment period. Consistent wear encourages the brain to commit to the new visual input, accelerating adaptation.
For individuals with progressive lenses, move your head to look at objects rather than just your eyes. This practice helps keep your gaze centered within the appropriate viewing zones, minimizing peripheral distortion that can cause disorientation.
An adjustment period is normal and expected. Most individuals adapt within a few days, though some may require up to two weeks, particularly with significant prescription changes or new lens types. This timeframe allows the brain to recalibrate and integrate new visual information.
When to Consult an Eye Care Professional
If symptoms such as nausea, dizziness, headaches, or blurred vision persist beyond the typical one to two-week adjustment window, it warrants further investigation. The brain usually adapts within this timeframe, and prolonged discomfort may indicate an underlying issue.
A visit to an eye care professional is advisable if discomfort intensifies or becomes more debilitating instead of gradually improving. Discomfort should lessen over time, not increase or remain severe enough to disrupt daily activities.
Continuous blurry vision, persistent distortion, or ongoing issues with depth perception after the expected adjustment period are concerning. These visual problems suggest the glasses may not be providing optimal correction.
These persistent problems can indicate an incorrect prescription, improper optical center alignment, or a manufacturing defect. An eye care professional can assess these factors, re-check the prescription, and make necessary adjustments or corrections to ensure proper vision correction and comfort.