Many people experience dry eyes after prolonged screen use and habitually turn to eye drops for relief. However, doctors warn that frequent or inappropriate use of eye drops may do more harm than good and could even damage eye health.First, not all eye drops are suitable for long-term use. Many over-the-counter products contain preservatives like benzalkonium chloride, which can damage the corneal epithelium with prolonged use and worsen dry eye symptoms. Second, some eye drops constrict blood vessels to quickly reduce redness, but this masks underlying eye issues and delays proper treatment. Moreover, misuse of antibiotic or steroid-containing eye drops may lead to drug resistance, elevated intraocular pressure, or even glaucoma.Doctors recommend visiting an ophthalmologist if you experience persistent dryness, a gritty sensation, or blurred vision to identify the root cause before using any medication. For daily eye care, follow the ’20-20-20 rule’ (every 20 minutes of screen time, look at something 20 feet away for 20 seconds), maintain indoor humidity, blink more often, and consider dietary intake of Omega-3 fatty acids. Preservative-free artificial tears may be used under medical guidance when necessary.In short, eye drops are not a cure-all—scientific eye care is essential.
很多人在长时间使用电子屏幕后感到眼睛干涩，习惯性地使用眼药水来缓解不适。然而，医生提醒：频繁或不当使用眼药水可能适得其反，甚至损害眼部健康。首先，并非所有眼药水都适合长期使用。市面上许多眼药水含有防腐剂（如苯扎氯铵），长期使用可能破坏角膜上皮细胞，加重干眼症状。其次，部分眼药水具有收缩血管的作用，虽能短暂消除红血丝，但掩盖了潜在的眼部问题，延误治疗。此外，滥用抗生素或激素类眼药水可能导致耐药性、眼压升高甚至青光眼等严重后果。医生建议，若出现持续眼干、异物感、视力模糊等症状，应先到正规医院眼科就诊，明确病因后再对症用药。日常护眼更应注重用眼卫生，如遵循“20-20-20”法则（每用眼20分钟，看20英尺外物体20秒）、保持室内湿度、多眨眼、适当补充Omega-3脂肪酸等。必要时可在医生指导下使用不含防腐剂的人工泪液。总之，眼药水不是“万能水”，科学护眼才是关键。
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