近视就不会老花吗？ 哪些人群老花更早？ "老花+近视"怎么配眼镜？ 这些你关心的老花眼常见问题 医务人员来解答↓ 随着年龄的增长，很多人会出现看手机、电脑时感觉字迹模糊不清，对不上焦、眼睛干涩等症状。 医务人员介绍，这些都是老花眼的典型症状和表现。 老花眼即老视，它不是病理状态也不属于屈光不正，而是人们步入中老年后必然出现的视觉问题。 老花眼是怎么形成的？ 首都医科大学附属北京同仁医院常务副院长 袁进：随着年龄的增长，睫状肌调节能力会逐渐下 降，晶体弹性也会减弱，导致看近物的时候没有那么清晰，形成大家平常讲的老花。 哪些人群会更早出现老花眼？ 《2023中国老花眼人群洞察报告》指出，我国35岁以上的人口中有老花眼问题人群占比56.9%。 医务人员介绍，这和我们现在的工作方式变化有关系。用电脑、用Pad、用手机，长时间近距离用 眼更加容易出现眼部调节的疲劳，长期近距离用眼的人群会更早或更容易出现老花现象。 老花眼度数增长快吗？ 医务人员介绍，老花的度数会随着年龄增长而增加，一般是按照每5年加深50度的速度递增。对于 没有任何屈光度的人： 在45岁时眼睛老花度数通常为100度 55岁提高到200度 60岁左右度数 ...

Group 1 - The article defines myopia levels: low myopia is classified as 50 to 300 degrees, with 50 to 100 degrees being the lower range of low myopia [1] - For individuals with a naked eye vision of 0.8 or above, it is suggested to avoid glasses temporarily if daily activities, such as viewing a blackboard, are not affected, but vision should be rechecked every three months [1] - Moderate myopia ranges from 300 to 600 degrees, while high myopia is classified as over 600 degrees [1] Group 2 - Doctors recommend that individuals with moderate to high myopia wear frame glasses throughout the day to prevent eye strain caused by blurred vision, which can lead to excessive eye axis elongation and increased myopia [1]

Group 1 - The term "biodegradable plastics" can mislead consumers into thinking they can be discarded without consequences, while their degradation requires specific conditions that are often not met in natural environments [1][2] - Many biodegradable plastics decompose slowly in natural settings, potentially leading to microplastic pollution, thus emphasizing the need for proper recycling and waste management [2] - A circular economy approach, focusing on reducing plastic use and enhancing recycling, is suggested as a more effective solution to plastic pollution [2] Group 2 - Osteoporosis patients are often advised to limit physical activity to prevent fractures, but appropriate exercise is essential for maintaining bone and muscle health [3] - Regular movement can help prevent the loss of bone density and muscle mass, which are critical for reducing the risk of falls in the elderly [3] - Adequate sunlight exposure is necessary for vitamin D synthesis, which is vital for bone health, highlighting the importance of balanced activity levels [3] Group 3 - The claim that covering oneself with blankets during a fever helps reduce temperature is incorrect; it can actually hinder the body's natural cooling process [4] - Maintaining a comfortable room temperature and staying hydrated are recommended practices during a fever [4] - If fever persists or is accompanied by severe symptoms, seeking medical attention is advised [4] Group 4 - The asteroid "2024 YR4" has a calculated collision probability with Earth of approximately 2%, with its size estimated between 40 to 90 meters [5][6] - The probability of collision has increased from 1% to 2.3% based on ongoing observations, indicating that such probabilities can change rapidly as more data is collected [5][6] - International cooperation has established protocols for monitoring and responding to near-Earth objects, ensuring preparedness for potential threats [6] Group 5 - The belief that wearing glasses worsens nearsightedness is unfounded; nearsightedness progression is linked to eye development and usage habits [7] - Timely use of corrective lenses is crucial for children diagnosed with myopia to prevent further deterioration of vision [7] - Encouraging outdoor activities and proper eye care can help mitigate the progression of nearsightedness [7] Group 6 - The assertion that fish oil can lower blood lipids is oversimplified; while Omega-3 fatty acids in fish oil can help reduce triglycerides, they do not significantly affect cholesterol levels [8][9] - High-purity fish oil is recommended for individuals with elevated triglycerides, but it should not replace statin medications for cholesterol management [10] - The effectiveness of fish oil supplements varies based on their purity and the specific fatty acid content, necessitating careful selection [9][10] Group 7 - The notion that allergy medications should only be taken after symptoms appear is misleading; proactive treatment can be more effective in managing seasonal allergies [11] - Preventive measures, such as using nasal sprays or eye drops before allergy season, can significantly reduce the severity of symptoms [11] - Early intervention is emphasized to improve outcomes for individuals with known allergies [11] Group 8 - The claim that NFC technology in smartphones is insecure and can lead to unauthorized transactions is incorrect; NFC requires close proximity and user authentication to function [12][13] - NFC technology operates similarly to RFID, allowing secure data exchange within a limited range, enhancing its safety for mobile payments [12][13] - Concerns about unauthorized transactions are more related to user behavior and security practices than the technology itself [14]