A system and method of detecting display fit measurements and/or ophthalmic measurements for a head mounted wearable computing device including a display device is provided. An image of a fitting frame worn by a user of the computing device is captured by the user, through an application running on the computing device. One or more keypoints and/or features and/or landmarks are detected in the image including the fitting frame. A three-dimensional pose of the fitting frame is determined based on the detected keypoints and/or features and/or landmarks, and configuration information associated with the fitting frame. The display device of the head mounted wearable computing device can then be configured based on the three-dimensional pose of the fitting frame as captured in the image.

A method for determining an optical lens adapted for a wearer and optimized for at least a given optical criterion having a target value around a specific gaze direction. The method includes determining an intermediate optical lens by optimizing, using an optimization function, an initial optical lens so that the difference between the value of the at least given optical criterion of the intermediate optical lens and the target value of gaze directions around a specific gaze direction is smaller than or equal to a threshold value, and determining the optical lens by optimizing the intermediate optical lens so as to obtain the largest zone of gaze directions around the specific gaze direction for which the difference between the value of the at least given optical criterion and the target value around the specific gaze direction is smaller than or equal to the threshold value.

The present disclosure relates to an ophthalmic lens with an extended depth of field including an optical unit that includes a first surface and a second surface both centered by an optical axis and opposite to each other. At least one of the first and second surfaces is defined by a superposition of a base sag profile and a feature sag profile and includes in sequence a first zone, a second zone, and a third zone along a radial direction away from the optical axis. The first zone is designed as a freeform surface zone, and the second zone is designed as a phase transition zone. The ophthalmic lens enables patients to acquire a continuous range of vision from intermediate to far distances and also optimizes their far vision without visual interference, such that the resulting far vision correction is equivalent to that of existing monofocal ophthalmic lenses.

The present disclosure relates to an ophthalmic lens with an extended depth of field including an optical unit that includes a first surface and a second surface both centered by an optical axis and opposite to each other. At least one of the first and second surfaces is defined by a superposition of a base sag profile and a feature sag profile and includes in sequence a first zone, a second zone, and a third zone along a radial direction away from the optical axis. The first zone is designed as a freeform surface zone, and the second zone is designed as a phase transition zone. The ophthalmic lens enables patients to acquire a continuous range of vision from intermediate to far distances and also optimizes their far vision without visual interference, such that the resulting far vision correction is equivalent to that of existing monofocal ophthalmic lenses.

Aspects of the present disclosure provide techniques for quantitatively assessing tear-film dynamics associated with contact lenses. An example method includes projecting an image of one or more shapes on a tear film surface of the contact lens worn on the eye, capturing video data, comprising a plurality of image frames, of the one or more shapes projected on the tear film surface of the contact lens over a period of time, performing image segmentation on a plurality of reflection patterns included in the plurality of image frames, generating a plurality of maps of the tear film surface of the contact lens indicating changes to the tear film surface of the contact lens during the period of time, and outputting, based on the plurality of maps, one or more metrics quantifying the changes to the tear film surface of the contact lens over the period of time.

A system and method for providing sensory relief from distractibility, inattention, anxiety, fatigue, and/or sensory issues to a user in need. The user can be autistic/neurodiverse, or neurotypical. The system can be configured to connect to a datastore storing one or more sensory thresholds specific to a user of a wearable device of the system, the sensory thresholds selected from auditory, visual or physiological sensory thresholds; record, using one or more sensors of the wearable device, a sensory input stimulus to the user; compare the sensory input stimulus with the sensory thresholds to determine an intervention to be provided to the user, the intervention configured to provide the user relief from distractibility, inattention, anxiety, fatigue, or sensory issues; and provide the intervention to the user, the intervention comprising filtering, in real-time, an audio signal presented to the user or an optical signal presented to the user.

Fabricating a prescription optical element include providing a glass substrate layer and coupling an optical plastic layer to the glass substrate layer. A prescription surfaces is formed on an eyeward side of the optical plastic layer that is opposite an object side of the optical plastic layer. The object side is a planar surface that overlays the glass substrate layer and the glass substrate layer has a glass thickness to provide rigidity to the prescription optical element.

Fabricating a prescription optical element include providing a glass substrate layer and coupling an optical plastic layer to the glass substrate layer. A prescription surfaces is formed on an eyeward side of the optical plastic layer that is opposite an object side of the optical plastic layer. The object side is a planar surface that overlays the glass substrate layer and the glass substrate layer has a glass thickness to provide rigidity to the prescription optical element.

An apparatus and a method for introducing an optical lens into a turning device are disclosed. The apparatus includes a carrier body and a carrier element for receiving the lens. The carrier element is arranged in the carrier body. The carrier element has a supporting surface for receiving the lens and is displaceably mounted in relation to the carrier body.

The present invention refers to a printed three-dimensional optical component built up from layers of printing ink characterized in that the three-dimensional optical component comprises at least one foil between two consecutive layers. The present invention further relates to a corresponding manufacturing method.