Product Introduction
PureVision 2 HD by Bausch + Lomb are high-performance silicone hydrogel lenses designed to provide exceptional visual clarity and breathability for a full month of wear. These Bausch and Lomb monthly lenses are engineered for patients requiring vision correction for myopia (short-sightedness) or hyperopia (long-sightedness) who lead active, demanding lifestyles and require consistent comfort from morning until night.
The Optical Precision of PureVision 2 HD Silicone Hydrogel Lenses
High Definition™ Optics for Low-Light Environments
These lenses incorporate High Definition™ Aspheric Optics, a sophisticated design choice specifically implemented to reduce spherical aberration. By managing light across the entire power range, these silicone hydrogel lenses significantly decrease the "halos" and glare often experienced in low-light environments. This makes them a reliable choice for those who frequently drive at night or work in dim lighting and require sharp, precise focus.
Advanced Breathability and ComfortMoist™ Technology
The integration of ComfortMoist™ Technology ensures a comfortable wearing experience from the moment of insertion. A moisture-rich packaging solution and an exceptionally thin lens profile work together to reduce lens awareness, allowing the wearer to focus on their activities rather than their vision correction. Furthermore, the Balafilcon A material provides a high level of oxygen transmissibility (130 Dk/t), supporting corneal health during long daily wearing schedules and reducing the risk of hypoxia-related redness.
Who Should Wear PureVision 2 HD?
Optometrists frequently recommend PureVision 2 HD for patients who:
- Experience visual disturbances such as halos or reduced contrast when driving at night.
- Require highly breathable monthly lenses for long daily wearing schedules.
- Have a preference for thin, low-profile silicone hydrogel lenses that minimise friction.
Note: Suitability, fit, and replacement schedules must always be confirmed by your optometrist.
Technical Specifications
- Lens Material: Balafilcon A (Silicone Hydrogel)
- Water Content: 36%
- Oxygen Transmissibility (Dk/t): 130
- Base Curve (BC): 8.6
- Diameter (DIA): 14.0 mm
- Replacement Schedule: Monthly
- UV Filter: No
- Manufacturer: Bausch + Lomb
Common Questions About PureVision 2 HD
Can PureVision 2 HD be worn as extended wear contacts?
Yes, PureVision 2 HD is clinically approved for up to 30 days of continuous wear. However, sleeping in lenses significantly increases the risk of ocular infection. Patients must only follow an overnight schedule if their optometrist has explicitly examined their eyes and approved this specific wearing pattern.
How does PureVision 2 HD improve vision in low light?
PureVision 2 HD features High Definition Aspheric Optics. This specialized design reduces spherical aberration, which is the primary cause of blurred vision and halos around light sources in dark conditions. By focusing light more precisely, the lenses provide sharper, crisper images compared to standard spherical designs.
Is PureVision 2 HD an upgrade over the original PureVision?
PureVision 2 HD is the modern successor to the original PureVision. While both utilize Balafilcon A material, the newer design features a significantly thinner profile and rounded edges for improved comfort and reduced lens awareness. It also introduces high-definition optics for better visual performance. Because the physical parameters are identical, patients can often transition to the upgraded version without a new prescription refit.
