Table of Contents
Introduction
When the majority of your day is spent indoors, your eyes may experience strain. Indoor heating systems, air conditioners, general poor ventilation and a low humidity environment all contribute to harming the tear film that keeps eyes clear and comfortable. The quality of one’s indoor air is one of the main contributors to the uncomfortable symptoms of dry eyes. If the cause of your dry eye symptoms is related to your environment, then eye drops cannot completely correct them.
Having a good understanding of the way your surroundings have an effect on your eyes and the ways that you handle them is the best way to take practical steps towards long-lasting relief. There are a few small changes you can make in your indoor environment that make a difference in your eye comfort. It can simply be making just a small change in the type of humidifier that you use, or even where you sit in that room. Here in this guide, we will discuss exactly how your indoor dry air is a contributor to your dry eye symptoms and even whether or not having a humidifier should be a part of your treatment plan.
What Are Dry Eyes and Why Do So Many People Have Them?
Simply put, dry eye is the condition when your eyes aren’t producing enough tears or the tears that are produced are of such poor quality that they simply evaporate too fast. Your tears are not only water. They are a blend of water, oils, mucus, and certain proteins that work in unison to keep the surface of your eyes well lubricated, clear, and protected. If this tear film isn’t stable or insufficient, your eyes might feel gritty, have a burning or irritated sensation, and then become blurry temporarily. In severe situations, dry eye might even damage the surface of an eye over time if not treated.
Surprisingly, this condition is fairly common because so many characteristics of our modern lives actually fight against healthy tear production. The use of electronic screens, including our phones and computers, is one of the biggest offenders. While we’re looking at our screens, we tend to blink a good deal less. This lets tears evaporate more quickly.
Other accelerators of tear evaporation are air conditioning, indoor heating, and general low-humidity environments. Other than lifestyle issues, dry eye becomes more frequent as we age. Women are more likely to be affected by this after menopause due to hormonal changes. Dry eye is also a side effect of a great deal of medications, like antihistamines, antidepressants, and blood pressure-regulating drugs. Other dry eye symptom drivers can come from wearing contact lenses, Sjogren’s syndrome, which is an autoimmune condition, as well as LASIK surgery. In a nutshell, dry eye, one of the most common complaints in the world, is a combination of one’s biological and environmental situations.
How Does Indoor Air Quality Contribute to Dry Eye Symptoms?
The quality of indoor air has a significant effect on dry eye symptoms since these controlled environments tend to pull moisture from the air. Indoor heat and summer air conditioning also reduce the amount of moisture in the air. For this reason, tears evaporate from the surface of the eye more quickly than they generally would. Other irritants in the air, such as dust, mold, pet dander, and volatile organic compounds (VOCs) from furniture, cleaning products, and paint, are also contributory factors in causing inflammation of the eye’s surface. This also disrupts the tear film and makes the symptoms worse for those who are already susceptible to eye dryness.
Inadequate ventilation makes the problem worse because it allows irritants to accumulate in the air instead of being circulated out. Those who are in offices that generally don’t have windows that open but that have heavily circulated air are especially exposed. Even small things like being near an air vent or in a room with insufficient air movement can make eye discomfort quite a bit worse during the day. Making simple changes like using a humidifier, enhancing ventilation, and cleaning air filters can make a big difference in the relief of symptoms.
What Role Does Low Humidity Play in Eye Comfort?
Which Indoor Environments Are the Worst Offenders for Dry Eyes?
Certain indoor air situations cause more stress on the eyes than others, mainly because of indoor air quality, airflow, and humidity levels. Some indoor situations make symptoms worse than others, such as:
- Offices: Buildings with windows that don’t open and use recirculated air can cause problems for some of these people. Fluorescent lights and the constant staring at electronic screens can all cause problems for those with dry eye issues.
- Airplanes: The humidity in airplane cabins that range in the 10-20% which is much less than the 30-50% range considered comfortable for eye health.
- Hospitals and clinics: Dry and chemically irritating air because of the use of disinfectants, as well as their strong HVAC systems.
- Retail and grocery stores: These wide-open areas’ strong overhead ventilation systems are constantly moving dry air across their customers’ eyes.
- Cars: The vents for their air conditioning and heating systems, which direct air towards one’s face, also speed up tear evaporation, especially on longer trips.
- Hotels: The dry air in older hotels with sealed windows or those with poorly maintained HVAC systems also contributes to a very dry environment.
- Gyms: Fans, air conditioning systems, and strong workouts all tend to lessen the blink rate, which also strains the tear film while people are working out.
A good first step towards managing your symptoms is having a good understanding of their triggers. Simply making a few small changes like having lubricating eye drops on hand, wearing glasses that wrap around, or even being sure not to be too close to heat and air vents can all offer a great deal of relief, even in these challenging situations.
Can a Humidifier Actually Relieve Dry Eye Symptoms?
Using a humidifier can indeed give you quite a bit of relief for your dry eye issues, especially in situations where low humidity is a sure trigger. By increasing the air’s moisture levels to the desirable range of between 40-50%, it can slow the tear film’s evaporation and give the eyes a better and more comfortable environment all day long. Many studies and clinical observations show that those who suffer from mild to moderate dry eye symptoms have a better chance of improvement when indoor humidity levels are maintained. This effect is most obvious during the winter when heating systems quickly dry out indoor air, or in climates that are naturally dry. Although use of a humidifier will not, by itself, cure your problem, and cannot address the underlying causes like meibomian gland dysfunction or the side effects of your medication, it remains one of the easiest and most cost-effective interventions there are, particularly when used regularly in spaces where you are most of the day, such as a bedroom or your home office.
What Type of Humidifier Works Best for Eye Health?
All humidifiers are not the same. If you’re using one basically to help with your eye comfort, the kind and quality are important to recognize. Here are the main features and the way they compare for your eye health reasons.
- Ultrasonic cool mist: They’re quiet and use energy efficiently, but need distilled water to avoid sending mineral dust into the air.
- Evaporative humidifiers: Because this type releases only pure water vapor, it leaves minerals and other impurities back in the filter. For this reason, it is one of the cleaner options.
- Warm mist (steam vaporizers): Boils water before releasing it, but is not as efficient, and also poses a burn risk to children or pets.
- Whole-house humidifiers: This is the best long-term option for chronic dry eye because it is built into the HVAC system and provides consistency throughout the home.
- Cheap ultrasonic units: This type might worsen your irritation because it aerosolizes tap water minerals and can lead to mold growth unless it is cleaned on a regular basis.
To obtain the best results for achieving effectiveness, safety, and ease of use, it is best to use a high-quality humidifier that is evaporative or an ultrasonic cool mist one that uses distilled water and is cleaned every week. If you place it close to your bed or desk and don’t have it pointing directly at your face, you will get the best results.
When Should You Schedule an Appointment at Golden Vision About Your Dry Eyes?
If your dry eye symptoms are constant, getting worse, or interfering with your everyday life, you should really get a professional evaluation instead of trying more home remedies. Signs to be aware of that should be identified and treated properly by an eye care professional are redness, burning, light-sensitivity, blurred eyesight, or the sensation that something is in your eye that doesn’t seem to go away. Over-the-counter eye drops do help for a short period of time, but unless you know exactly what is causing the symptoms, they can even get worse over time.
Here at Golden Vision, our eye care team assesses the health of your tear film, can point out contributing factors, and recommend specific treatments designed especially for you. Please don’t wait until your symptoms get severe. By scheduling your appointment early, you have the best chance of getting lasting relief as well as protection of your eye health for the long term.