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Convergence
Convergence is the ability of both eyes to move inwards to focus on a nearby object. It is a fundamental function of binocular vision and contributes to stable and comfortable vision during close-up tasks.
Key features
When looking at objects up close, the eyes must work together to focus on the same point in space. Effective Convergence helps to maintain a single, clear and stable image during activities such as reading, using a computer or carrying out precision work.
Types of Convergence
- Convergence proximal — Triggered by the perception that the object is nearby.
- Convergence accommodative — Related to close-up focusing.
- Convergence fusiva — It maintains the alignment of the images from both eyes.
Relationship with other visual functions
Convergence works in conjunction with other aspects of binocular vision and can affect visual comfort during everyday activities.
- Binocular vision — Integration of images from both eyes.
- Accommodation — Focusing at different distances.
- Heterophoria — A latent tendency for the eyes to become misaligned.
- Eye dominance — A natural preference for one eye.
Optical solutions
In the field of optical care, certain solutions can help improve visual comfort when Convergence proves challenging during close-up tasks.
- Office lenses — Optimised for medium and close-range distances.
- Progressive lenses — To combine multiple focal lengths into a single lens.
- Prismatic lenses — They can facilitate binocular fusion in selected cases.
Isolani Experience
At Isolani Optical Centres, we analyse actual visual behaviour to identify optical solutions that promote stable and comfortable Convergence, particularly during prolonged close-up activities.
- Personalised eye care advice — Analysis of visual needs and lifestyle.
- Behavioural Centring — Detection based on actual visual behaviour.
- Simulation Room — Evaluation of optical solutions under real-world conditions.
Ongoing support
Vision needs relating to Convergence can change over time. At Isolani Optical Centres, we offer ongoing support through non-medical eye tests, adjustments and updates to your personalised optical solutions.
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The information on this page is provided for information purposes only and relates to the optical and commercial sectors. It does not contain any medical, clinical or diagnostic content.