Expert Diagnosis and Treatment with Dr. Douglas Jin, MD

Your retina plays a vital role in how you see the world. This thin layer of tissue, located at the back of your eye, converts light into neural signals that allow your brain to create visual images. When the retina is damaged or diseased, vision can become blurred, distorted, or even lost entirely.

At West Texas Eye Associates, Dr. Douglas Jin, MD—a board-certified ophthalmologist and retina specialist—offers advanced diagnostic imaging, medical management, and surgical treatments for the full range of retinal conditions. Patients throughout Lubbock and West Texas trust Dr. Jin for his precision, compassion, and commitment to preserving sight through leading-edge retinal care.

What Is The Retina?

The retina is a delicate, light-sensitive membrane lining the inner surface of the back of your eye. When light enters through the cornea and lens, it’s focused onto the retina—where millions of specialized photoreceptor cells (rods and cones) convert the light into electrical signals. These signals are transmitted through the optic nerve to your brain, which interprets them as vision.

Rods detect light and motion, helping you see in dim conditions.
Cones perceive color and fine details, functioning best in bright light.

This remarkable process happens instantaneously and continuously, making the retina one of the most vital—and most delicate—structures in the human body.

Retina Specialties

Macular Degeneration

Diabetic Retinopathy

Vascular Occlusions

Flashes & Floaters

Retinal Detachment

Common Retinal Conditions

Diabetic Retinopathy

A leading cause of vision loss among adults, diabetic retinopathy occurs when chronic high blood sugar damages the small blood vessels that nourish the retina.

Retinal Detachment

When the retina peels away from its underlying tissue, it loses oxygen and nutrients. This is a medical emergency that requires immediate attention. Symptoms often include flashes of light, floaters, or a dark curtain across your vision.

Macular Degeneration

Age-related macular degeneration (AMD) affects the macula, the central part of the retina responsible for sharp, detailed vision. Over time, the macula can deteriorate, causing blurred or blank spots in your central vision.

Retinal Vein and Artery Occlusions

A retinal vascular occlusion occurs when blood flow to or from the retina becomes blocked, much like a “stroke” in the eye. This can cause sudden, painless loss of vision.

Macular Hole and Epiretinal Membrane

The macula can sometimes develop a hole or become covered by a thin membrane, leading to distorted or blurry vision.

Retinitis and Other Inflammatory Conditions

Infections, autoimmune disorders, or systemic diseases can trigger inflammation of the retina (retinitis), leading to pain and visual changes.

A leading cause of vision loss among adults, diabetic retinopathy occurs when chronic high blood sugar damages the small blood vessels that nourish the retina.

When the retina peels away from its underlying tissue, it loses oxygen and nutrients. This is a medical emergency that requires immediate attention. Symptoms often include flashes of light, floaters, or a dark curtain across your vision.

Age-related macular degeneration (AMD) affects the macula, the central part of the retina responsible for sharp, detailed vision. Over time, the macula can deteriorate, causing blurred or blank spots in your central vision.

A retinal vascular occlusion occurs when blood flow to or from the retina becomes blocked, much like a “stroke” in the eye. This can cause sudden, painless loss of vision.

The macula can sometimes develop a hole or become covered by a thin membrane, leading to distorted or blurry vision.

Infections, autoimmune disorders, or systemic diseases can trigger inflammation of the retina (retinitis), leading to pain and visual changes.

How Do Retina Specialists Evaluate Retinal Conditions?

1

Dilated eye exam

The specialist will use eye drops to painlessly dilate your eye to provide a better look at your retina. They’ll use office instruments to examine the retina for signs of bleeding and damage. Also, they may test your visual field to determine how much of the peripheral vision has been affected.

2

Optical coherence tomography (OCT)

Your retina specialist may take high-resolution images that reveal a cross-sectional view of the retina. These images detect and measure the buildup of macular edema and can be used to monitor your response to treatment.

3

Angiography Imaging

This test allows your doctor to evaluate the blood flow within the retina. The specialist will inject a mild, water-soluble dye into the arm. Next, they’ll take a series of videos or pictures of the retina with a special filter to track the flow of the dye through the blood vessels. This method reveals circulatory or tissue problems.

4

Fundus autofluorescence

This newer assessment detects fluorescent pigments in the retina that may reveal damage or disease. For instance, spots of patchy white can indicate decreased blood flow caused by arterial compression.

When to See a Retina Specialist

Early detection can make the difference between minor vision changes and permanent sight loss.

Schedule Online

Living with Retinal Disease

While some retinal diseases are chronic, many can be effectively managed with ongoing care. Early intervention helps preserve vision and maintain quality of life. Dr. Jin emphasizes the importance of:

Routine eye exams—especially for people with diabetes or hypertension
Controlling systemic conditions that affect circulation (like heart disease and blood pressure)
Following treatment schedules for injections, laser sessions, or follow-ups
Avoiding smoking and improving nutrition, particularly with antioxidant-rich foods that support retinal health

Dr. Jin and his team at West Texas Eye Associates provide lifelong monitoring and support, ensuring that every patient receives consistent, high-quality retinal care.