Health 
conditions

Diabetic Retinopathy

Diabetic retinopathy is a diabetes complication that affects eyes. It's caused by damage to the blood vessels of the light-sensitive tissue at the back of the eye (retina). At first, diabetic retinopathy may cause no symptoms or only mild vision problems. Eventually, it can cause blindness. The condition can develop in anyone who has type 1 or type 2 diabetes. The longer you have diabetes and the less controlled your blood sugar is, the more likely you are to develop this eye complication.

Source: https://neoretina.com/blog/diabetic-retinopathy-can-it-be-reversed/
Source: https://www.nvisioncenters.com/glaucoma/

Glaucoma

Glaucoma is a group of eye diseases that damages the optic nerve which carries the message of sight from the eye to the brain. This can lead to vision loss if not detected early and treated effectively. What is most threatening is that at-risk patients might not know they have glaucoma till 50% of the peripheral visual field is lost permanently.

Hypertension

Hypertension, also known as high or raised blood pressure, is a condition in which the blood vessels have persistently raised pressure. Blood is carried from the heart to all parts of the body in the vessels. Each time the heart beats, it pumps blood into the vessels. Blood pressure is created by the force of blood pushing against the walls of blood vessels (arteries) as it is pumped by the heart. The higher the pressure, the harder the heart has to pump. Hypertension is a serious medical condition and can increase the risk of heart, brain, kidney and other diseases.

Source: https://www.spectaculareyewear.net/ocular-hypertension/
Source: https://theeyehealthcentre.com.au/eyecare-services/dry-eye-clinic/

Dry Eyes

Dry eyes occur when your eyes lack lubrication from adequate and good-quality tears. It is a common condition with prolonged exposure to computers and mobile devices, and occurs frequently in the elderly. Symptoms include dry eye sensation, burning, stinging, itching, pain, and fatigue. Dry Eye syndrome are sometimes linked to various medical diseases, but is most frequently due to tear deficiency or excessive evaporation.

Cataract

A cataract is a cloudy area in the lens of your eye. Cataracts are very common as you get older. In fact, more than half of all Americans age 80 or older either have cataracts or have had surgery to get rid of cataracts. At first, you may not notice that you have a cataract. But over time, cataracts can make your vision blurry, hazy, or less colorful. You may have trouble reading or doing other everyday activities. The good news is that surgery can get rid of cataracts. Cataract surgery is safe and corrects vision problems caused by cataracts.

Source: https://www.visioncenter.org/conditions/cataracts/
Source: https://www.centreforsight.com/eye-conditions/macular-degeneration

Age-Related Macular Degeneration

Age-related macular degeneration is an aging-related change of the cells that make up the macula — or the infield of the retina. It causes loss in the centre of the field of vision. In dry macular degeneration, the centre of the retina deteriorates. With wet macular degeneration, leaky blood vessels grow under the retina.