Every year, more than one million scientific articles are published in the life sciences. Two-thirds of them include ...

At the 2025 American Society of Cataract and Refractive Surgeons (ASCRS) meeting held in Los Angeles, the top paper ...

HOUSTON – The Houston Independent School District held a special announcement to release the state’s preliminary STAAR test results. HISD Superintendent Mike Miles announced the scores for ...

LASIK, a laser eye surgery that corrects common vision problems by reshaping the cornea, may help treat people with mild to moderate astigmatism. However, it may not be right for everyone.

For those able to read price charts competently, the market itself, through price action contained in the chart, will reveal what it's doing and, to some degree, where it's headed.

ABOUT PEW RESEARCH CENTER Pew Research Center is a nonpartisan, nonadvocacy fact tank that informs the public about the issues, attitudes and trends shaping the world. It does not take policy ...

Amazon.com Inc. will resume metal-detector screening for employees leaving its warehouses — a theft-prevention measure suspended during the pandemic — and is asking workers to register their ...

Astigmatism prevalence in children increased post-pandemic, with refractive astigmatism rising from 23.4% pre-pandemic to 34.7% in 2022-2023. Corneal astigmatism prevalence rose from 59.7% pre ...

In a cohort of 21,655 children ages 6 to 8 years, the prevalence rate of refractive astigmatism of at least 1.0 diopter (D) increased from 21.4% in 2015 to 34.7% in 2022-2023, and corneal ...

To use an eye chart at home, you’ll need to: Print the chart. Place the chart on a wall with no windows on it. Place a chair 10 feet away from the wall. Sit in the chair.

An ophthalmologist may test a person’s night vision by using the Pelli-Robson Contrast Sensitivity Chart. It measures how well they can see the contrast between white paper and light gray shapes.

The US Food and Drug Administration has approved the company Guardant Health’s Shield blood test for colorectal cancer screening in adults, 45 and older, who are at average risk for the disease.