It takes a little simple common sense to wear contact lenses effectively and safely and treat them properly.它需要一点简单的常识来配戴隐形眼镜安全有效和妥善对待他们。 There are a variety of cheap contact lenses available, and the type of lens you wear depends on your specific vision problem.有各种各样的廉价的隐形眼镜，和类型的镜头，你穿取决于您的具体愿景的问题。
There are so many lenses available now that those who were once considered bad candidates for contact lenses are now good candidates.有这么多的镜头可现在，那些谁一度被认为是不好的候选人接触的镜头，现在良好的候选人。 Anyone whose vision warrants correcting all the time is a good candidate for contact lenses.任何人的视野认股权证纠正所有的时间是一个很好的候选人接触的镜头。
Types of contact lenses available are:类型的隐形眼镜，可是：
- Hard contact lenses, made of a hard plastic辛勤的隐形眼镜，取得了一个硬质塑料
- Soft contact lenses, made with a polymer base and water软接触镜头，与聚合物基地和水
- Extended-wear contact lenses, which are made with a higher content of water than soft lenses and allow greater permeability.延长配戴隐形眼镜，这是取得更高的水分含量比软性隐形眼镜，并允许更大的渗透性。
Extended-wear contact lenses allow the eye to breathe better.延长配戴隐形眼镜，让眼睛呼吸更好。
Gas-permeable contact lenses allow greater permeability than hard lenses.透气性隐形眼镜，允许更大的渗透率比硬的镜头。 Thus they are more comfortable to wear and can be worn for a longer period of time.因此，他们更舒适的佩带和可配戴一段较长的时间。 There are very few people using hard lenses today because of the gas permeable lenses.有极少数人用辛勤的镜头，今天因为气体渗透的镜头。
Extended-wear lenses have been on the market for many years now.延长磨损的镜头已在市场上多年的现在。 They can be worn for up to 30 days.他们可以佩戴长达30天。 There are, however, some potential hazards of wearing daily and extended-wear lenses.有，不过，一些潜在的危险，身穿每日延长磨损镜头。
Both types share a lot of the same problems.这两种类型有着很多相同的问题。 You can have a corneal abrasion from over wearing or improper or hasty insertion.您可以有角膜擦伤，从穿或不当或仓促插入。 There is always the possibility of bacterial or viral contamination, too.总是存在的可能性，细菌或病毒污染，太。
Daily wear lenses are regular soft lenses that can be worn every day, from the waking hours to bedtime.每日磨损镜片，定期软隐形眼镜可以戴，每天从醒来时，以就寝时间。 But wearers should use their own judgment as to whether to leave them in overnight.但配戴应该使用他们自己的判断，至于是否离开他们在一夜之间。
The extended-wear lens can cause "neovascularization," or the growth of new-blood vessels in the cornea.延长磨损镜头可能会导致“血管新生” ，或增长的新血管在角膜。 The cornea normally has no blood vessels, but extended-wear lenses set up a situation where the corneal cells are so starved for oxygen they grow new vessels in the cornea.角膜通常没有血管，但延长磨损镜头成立的情况下，角膜细胞，使饥饿氧他们成长的新船在角膜。 That’s why they have to be monitored more.这就是为什么他们要加以监测。
A person can spend as less than $100 on cheap contact lenses and as much as $300 or more - it depends on the vision needs of the individual as to whether cheap options are available.一个人可以花不到100元，便宜的隐形镜片和高达300元或更多-它依赖于视觉的个别需要而至于是否廉价可供选择。 There are some specialty lenses or toric lenses for people with astigmatic vision that can cost over $300.也有一些专业toric镜片或隐形眼镜的人与散光的视野，可以费用超过300元。
Most vision stores stock soft lenses, while hard and gas-permeable lenses have to be custom-made, which naturally makes them more expensive.最远见的商店股票软隐形眼镜，而努力和透气性隐形眼镜都必须定制，这自然使他们更昂贵。
Follow-up care is essential once you are fitted for contact lenses, and it can be advisable to steer clear of discount contact lenses operations that offer a "cheap deal" on lenses, but "no follow-up care" or customer support.后续护理是必不可少的，一旦你是适合配戴隐形眼镜，它可以是可取的带领明确折扣隐形眼镜的行动提供了“廉价处理”的镜头，但“没有后续的医疗服务”或客户支持。 There are no bargains when it comes to contact lenses.有没有讨价还价的，当谈到隐形眼镜。 It has to do with the experience of the practitioner and his ability to fit you for lenses.它必须做的与经验的医生和他的能力，以适应你的镜头。
A discounter may carry only two types of lenses, but your vision problem may require a lens he does not carry. 1折扣可能只携带两种类型的镜头，但您的视觉问题，可能需要一个镜头，他没有进行。 Because there are many different kinds of contact lenses is the main reason of steering clear of discounts.因为有很多不同类型的隐形眼镜是主要的原因督导明确的折扣。
When you are fitted for contact lenses, the practitioner should monitor your adjustment to the lens and the lenses adjustment to your eyes.当你适合配戴隐形眼镜，医生应监控您的调整，以镜头和镜头调整到您的眼睛是雪亮的。
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Technorati Tags: cheap contact lenses , Gas permeable contact lenses , types of contact lenses Technorati标记： 廉价的隐形眼镜 ， 气体渗透的隐形眼镜 ， 类型的隐形眼镜
