Tag

Eyesight

All articles tagged with #eyesight

nature1 year ago

"Marine Worm with Giant UV-Emitting Eyes Discovered"

Scientists have discovered that the Vanadis bristle worms, with eyes weighing 20 times more than the rest of their head, possess advanced eyesight capable of high-resolution and tracking small objects and movements. Their vision appears to be geared to ultraviolet (UV) light, leading to the hypothesis that they may use UV bioluminescence for secret communication related to mating. This unique ability is typically reserved for vertebrates, arthropods, and cephalopods, making it an exciting discovery in the animal kingdom.

health1 year ago

"Do Glasses Make Eyesight Worse?"

Wearing glasses for the first time may make the world seem blurrier without them, but it's actually due to the improved vision with glasses. As we age, our eyesight changes, and prescription glasses help correct these changes. Wearing the wrong prescription or dirty glasses can cause discomfort and vision problems. Regular eye exams are crucial for maintaining eye health and detecting broader health issues. Online prescription estimators are not a substitute for a full eye examination, and conditions like diabetes and high blood pressure can affect the eyes, emphasizing the importance of regular preventative care.

technology1 year ago

"Debunking the Hype: The Truth About Apple's Vision Pro EyeSight Feature"

Macworld's review of Apple's Vision Pro's EyeSight feature suggests that it doesn't effectively solve the isolation problem when using the headset, as it is meant to. The feature, which is supposed to activate PassThrough when someone approaches the user and display a real-time representation of their eyes, is criticized for its low-resolution, blurry rendering and narrow display strip. The reviewer argues that the issue may require new hardware rather than a software update, casting doubt on the effectiveness of the feature.

technology2 years ago

"Exploring the Apple Vision Pro: Impressions, Features, and Potential"

Apple's Vision Pro, a spatial computer, is set for pre-orders, and a recent demo provided insights into its comfort, fit, and sizing. The device includes two bands for customization and offers an intuitive interface with gestures and productivity features through visionOS. Spatial photos and videos, including those shot on the device and on the iPhone 15 Pro, were highlighted, along with immersive content experiences such as Disney+ and the JigSpace app. EyeSight, a feature displaying the user's eyes on the outward-facing display, was also showcased. Despite its weight and potential comfort variations, the Vision Pro is seen as an impressive first-generation product with a learning curve and exciting potential for the future.

technology2 years ago

Apple's Cheaper Vision Pro: Cutting Costs with iPhone Chip and No EyeSight Display

Apple is considering removing the EyeSight feature and using an iPhone chip instead of a Mac chip in its cheaper version of the Vision Pro headset, aiming to bring the cost down to $1,500-$2,500. The lower-end model may also have fewer external cameras and lower resolution displays. Additionally, Apple is reportedly working on a follow-up to the premium Vision Pro, which will retain EyeSight and potentially feature a more lightweight design with built-in prescription lenses.

health2 years ago

The Growing Epidemic of Childhood Myopia: Causes and Solutions

A recent study suggests that children's eyesight is deteriorating due to increased screen time and lack of outdoor activities. The excessive use of digital devices, such as smartphones and tablets, can lead to myopia or nearsightedness. To protect their children's vision, parents are advised to limit screen time, encourage outdoor activities, and ensure proper lighting and posture when using digital devices. Regular eye exams and a balanced diet rich in nutrients like vitamin A and omega-3 fatty acids are also recommended for maintaining good eye health.

health2 years ago

"Unveiling the Surprising Foods That Enhance Your Eyesight"

Nutritionist Dr Emma Derbyshire highlights five foods that can boost eyesight and support eye health. Leafy greens such as spinach, kale, and cavolo nero contain carotenoids lutein and zeaxanthin, which are essential for the macula, the most sensitive part of the retina. Citrus fruits, broccoli, and brussels sprouts provide vitamin C, which protects the macula and helps maintain collagen. Red meat, dairy, and pulses are rich in zinc, copper, and vitamin A, which are vital for healthy eyes. Plant-based oils, nuts, and seeds provide vitamin E, an antioxidant that protects the eyes from oxidative stress. Mushrooms, yogurt, and cereal contain riboflavin (vitamin B2), which supports eye health. However, many people are deficient in these key nutrients due to inadequate fruit and vegetable consumption.

technology2 years ago

Apple's Affordable Vision Pro Headset Set to Shake Up VR Market by 2025.

Apple is reportedly planning to launch a more affordable version of its Vision Pro headset by the end of 2025, with the non-Pro model likely to be called "Apple Vision." The company could replace expensive components with cheaper alternatives and use a simpler headband design, but is expected to keep the EyeSight external screen and eye- and hand-tracking system as core features. The move would allow Apple to pursue a two-product strategy, similar to its iPhone lineup, and reduce the price of the headset by several hundred dollars.

technology2 years ago

"Apple's $3499 AR headset could revolutionize the world of VR and AR at WWDC 2023."

Apple has announced its new augmented reality headset, Apple Vision Pro, which will launch early next year starting in the US market. The headset features a separate battery pack and is controlled with eyes, hands, and voice. It can switch between augmented and full virtual reality using a dial and is controller-free. The headset has a glass front and an aluminum frame, containing five sensors, 12 cameras, a 4K display for each eye, and a computer that’s apparently cooled with a fan. It also creates a digital “persona” by scanning your face and uses passthrough video that lets you see the real world in full color.

science2 years ago

The Evolution of Eyesight: New Discoveries.

New research suggests that some components of vertebrate vision, such as the protein interphotoreceptor retinoid-binding protein (IRBP), may have been "stolen" from bacteria through horizontal gene transfer, rather than evolving incrementally through family lines. The appearance of IRBP in vertebrate-like eyes over 500 million years ago coincided with the appearance of vertebrate-like eyes. This discovery presents new possibilities for explaining complex biological processes and punctuating eukaryotic evolution by providing immediate functional novelty.