Extras

Possible causes of poor vision when driving at night  - A State of Sight #119

Seeing well to drive safely at night is very important. Frequently, we hear from our patients that they have difficulty driving at night due to poor vision or difficulty with glare.

Watch this episode of A State of Sight with Isaac Porter, MD to learn about a few of the possible causes of poor night driving vision and some potential solutions.


 



Don't sleep in contact lenses! Infections from contacts - A State of Sight #95


Sleeping in contacts is very dangerous for your eyes. Contacts should always be removed at night to help lower the risk of an eye infection.

Watch this episode of A State of Sight with Isaac Porter, MD from Raleigh to learn why you shouldn't sleep wearing contact lenses.
 



 


Solar eclipse eye safety / Use eclipse solar filters - A State of Sight # 138

Many people are very excited about the total solar eclipse in North America. Be sure to protect your eyes adequately if you wish to view the eclipse. Watch this episode of A State of Sight with Isaac Porter, MD to learn how to be safe and what can happen from sun damage.
 


 


Raindrop corneal inlay improves near vision for presbyopia - A State of Sight #133

The Raindrop near vision inlay is able to improve up close vision by changing the shape of the cornea. It can be a great solution for patients with presbyopia (age related focus dysfunction).

Watch this episode of A State of Sight with Isaac Porter, MD to learn more about this new technology.



 


Plaquenil Screening Eye Exam, Hydroxychloroquine Toxicity - A State of Sight #23

Plaquenil (hydroxychloroquine) used for lupus and rheumatoid arthritis can cause toxicity to the retina leading to vision loss. In this episode of A State of Sight, Isaac Porter, MD explains how plaquenil and chloroquine can affect vision and why it is important to have screening eye exams when using the drugs.



 


When to see your eye doctor / Floaters, pain, vision loss - A State of Sight #127

Many patients wonder when they need to see an eye specialist. In this episode of A State of Sight with Isaac Porter, MD, three primary reasons to get an eye exam are explained.

These include new floaters in the vision, eye pain with redness, and decreased vision. Watch this episode to learn more.



 


Corneal collagen crosslinking now FDA approved! - A State of Sight #126

We were very happy to hear this week that corneal collagen crosslinking has just been FDA approved for use in the United States. This procedure has been performed throughout the world for years.



 


Keratoconus contact lenses with Dr. Jennifer Lyerly - A State of Sight #97 

Scleral supported contact lenses can work very well for patients with keratoconus. Watch this episode of A State of Sight with special guest Dr. Jennifer Lyerly to learn more about this specialized type of rigid gas permeable contact lens.

In keratoconus, other types of contacts can be difficult to fit properly and may not give the comfort and vision that scleral lenses can offer. Fortunately, there are several options available that may work for these patients.

For more info about scleral contact lenses and other uses for this type of lens, watch A State of Sight #67: youtu.be/zMRgww7FD-Q



 


Surgery for eyelid lumps and bumps / Chalazion, papilloma - A State of Sight #124

Growths or bumps on the eyelids can often be treated surgically in the office. These most commonly could be from a chalazion, a papilloma, or a cyst.

Watch this episode of A State of Sight with Isaac Porter, MD to learn more about these eyelid problems and the potential operation to remove them.




 


Bullous keratopathy - Corneal swelling after eye surgery - A State of Sight #123

Bullous keratopathy is the medical term for swelling of the cornea in the front of the eye that can follow eye surgery. This can cause decreased vision, sensitivity to light, or pain.

Watch this episode of A State of Sight with Isaac Porter, MD to learn more about this problem and some potential treatment options.

For more information about DSEK and DMEK, watch this episode of A State of Sight: https://youtu.be/5r7FEvwWDHU
 



 


Epiretinal membrane, ERM / Macular pucker, film on retina - A State of Sight #105

An epiretinal membrane (ERM) is a thin abnormal layer on the surface of the retina in the back of the eye. This can cause distorted and blurred central vision as well as swelling and thickening of the retina.

Watch this episode of A State of Sight with Isaac Porter, MD to learn more about ERM and the possible treatment options.



PTK, phototherapeutic keratectomy, excimer laser, cornea - A State of Sight #17


PTK can be performed with laser to remove corneal scars, smooth uneven corneal surfaces, or decrease the recurrence of corneal erosions. Details in this episode of A State of Sight with Isaac Porter, MD.





Decreased vision after conjunctivitis, pink eye inflammation - A State of Sight #121


Epidemic keratoconjunctivitis (EKC) is a severe type of conjunctivitis (pink eye) that can cause corneal inflammation. This usually occurs a week or two after the onset of the infection and may cause decreased vision.





Recovery after DSEK & DMEK / Endothelial keratoplasty - A State of Sight #113


DSEK and DMEK are the two primary types of inner layer corneal transplantation (endothelial keratoplasty) used today. Watch this episode of A State of Sight with Isaac Porter, MD to learn more about the recovery process following surgery with these techniques.




Age-related macular degeneration, AMD, macula, retina disease - A State of Sight #13


Retinal surgeon Carey Pate, MD joins 'A State of Sight' with Isaac Porter, MD to discuss macular degeneration, one of the leading causes of blindness. This episode defines macular degeneration, explains who is at risk, and covers treatment options for the various stages of macular degeneration.

 



 

Blepharitis treatment options for dry eyes / eye irritation - A State of Sight #117


Blepharitis is a common cause of dry eyes that results in inflammation and irritation of the oil glands that lubricate the eyes. Fortunately, several treatments are available to make the eyes more comfortable.

Watch this episode of A State of Sight with Isaac Porter, MD to learn more about potential treatments for blepharitis. These include scrubbing the eyelids, antibiotic ointments or pills, and potentially steroids.





Corneal tattoo / Cornea scar or glare surgical treatment - A State of Sight #101


Corneal tattooing is available to help improve the appearance of a corneal scar in a blind eye, or to help improve glare when there are problems with the iris. Watch this episode of A State of Sight with Isaac Porter, MD from Raleigh to learn more about this surgical option.



Diabetic eye disease / Dr. Rebecca Manning from NC Retina - A State of Sight #100


Uncontrolled diabetes can cause severe damage to the eye and to vision. Fortunately, this can be prevented or controlled with proper care. Watch this episode of A State of Sight with Isaac Porter, MD as our special guest, Rebecca Manning, MD joins us to explain diabetic eye problems.

Dr. Manning is a vitreoretinal surgeon with NC Retina in Raleigh. She covers the details of how diabetes can damage blood vessels in the eye and how this can lead to swelling of the retina or new blood vessel growth. Treatments for diabetic retinopathy include injections, laser surgery, or retinal surgery.

 



Recurrent Corneal Erosion Syndrome, Corneal Abrasion - A State of Sight #16


Corneal erosions can recur frequently causing pain and irritation. Isaac Porter, MD explains the causes of recurrent corneal erosion syndrome and possible treatment options including lubrication, drops, and surgical procedures.


 



Fuchs dystrophy treatment / Descemet’s membrane removal - A State of Sight # 118

A surgical option is available for patients with Fuchs endothelial dystrophy - Descemet's membrane removal. This was described by Kathryn Colby, MD, PhD from The University of Chicago.

Unlike the current modern operations for Fuchs dystrophy (DSEK and DMEK), in this procedure Descemet's membrane is removed from the back of the cornea, and no corneal graft is placed afterwards. Watch this episode of A State of Sight with Isaac Porter, MD to learn more about this innovative new option.
 



 


Dry eye syndrome, dry eyes, tear film, artificial tears - A State of Sight #14


Isaac Porter, MD at Porter Ophthalmology in Raleigh explains dry eye syndrome in this episode of A State of Sight. Includes a description of the tear film, causes of dry eyes, and treatment options.
 



 


 

Eyelid surgery, blepharoplasty, ptosis, extra eyelid skin - A State of Sight #15


Special guest, oculofacial surgeon Renzo Zaldivar, MD joins A State of Sight with Isaac Porter, MD to discuss eyelid surgery. He explains the medical need for eyelid surgery when heavy or drooping eyelids interfere with a patient's vision.
 



 


Open champagne bottle safely / The Wine Feed in Raleigh - A State of Sight #99


A champagne cork can fly at 50 miles per hour if it is not controlled properly. This could cause serious eye injury or even blindness. Watch this special episode of A State of Sight with Isaac Porter, MD from The Wine Feed.

Wine adviser Brianna Needle explains the best way to remove a cork from a bottle of sparkling wine. By controlling the cork the entire time, there is no chance for an injury. Be sure to chill the bottle adequately and never shake the bottle.
 



 


Shingles vaccine for herpes zoster virus, varicella zoster - A State of Sight #98


Shingles is caused by a reactivation of the varicella zoster virus that originally causes chickenpox. Fortunately, a vaccine is available to decrease the chance of shingles.
 



 



Eye Injury Prevention Month, eye health safety tips - A State of Sight #91

Eye injuries can be very common, but many of these could have been prevented. Watch this episode of A State of Sight with Isaac Porter, MD to learn more about basic eye safety tips for Eye Injury Prevention Month.
 



 


LASIK FAQs - Raleigh, NC - Isaac Porter, MD - A State of Sight #89


If you're tired of glasses, LASIK can be a great solution. Many people wonder if laser eye surgery is painful. Learn the answer to this question and more by watching this episode of A State of Sight with Isaac Porter, MD.

Also covered in this video: information about recovery after LASIK, how long the effects are expected to last, and what happens if the eye moves during surgery.

 



 


Keratoconus treatment - Bowman layer transplantation - A State of Sight #88


The Melles CorneaClinic Rotterdam at the Netherlands Institute for Innovate Ocular Surgery recently published their findings for a potential breakthrough treatment for advanced keratoconus. Watch this episode of A State of Sight with Isaac Porter, MD to learn more about selective Bowman layer transplantation.

With this treatment, patients with keratoconus were able to use contact lenses after surgery and improve their vision. At this stage of keratoconus, the other primary options to restore vision are full thickness (penetrating keratoplasty) and partial thickness (deep anterior lamellar keratoplasty). With this innovative treatment, patients may be able to keep their own cornea longer and delay the need for larger transplants.

 



 


Recurrent corneal erosion treatment, stromal micropuncture - A State of Sight #90

Recurrent corneal erosion syndrome (RCES) can cause painful breakdown of the surface of the eye. Anterior corneal stromal micropuncture is a procedure that can treat RCES and decrease the chance of further episodes. Watch this episode of A State of Sight with Isaac Porter, MD to learn more about this operation and how it can help patients with RCES.


 



 


Corneal transplant causes / Cloudy, swollen, uneven cornea - A State of Sight #110


When the clear cornea covering the front of the eye is no longer functioning properly, a corneal transplant may be needed to restore vision. Watch this episode of A State of Sight with Isaac Porter, MD to learn about some of the primary reasons a corneal transplant may be needed.
 



 


Fuchs dystrophy, corneal endothelial dystrophy - A State of Sight #19

 

Fuchs dystrophy, an inherited problem of the cornea, can cause blurred vision due to swelling of the cornea. Isaac Porter, MD, from Porter Ophthalmology, explains Fuchs dystrophy, including the changes that patients may notice and the treatment options available.





 


Kamra inlay for near vision / presbyopia treatment - A State of Sight #109


The Kamra inlay from AcuFocus was recently FDA approved to improve the near vision in patients with presbyopia (age related focus dysfunction). This is exciting new technology!
 



 


Keratoconus treatment options, CXL, corneal transplantation - A State Of Sight #85


Keratoconus GB invited us to create this special episode of A State of Sight with Isaac Porter, MD as a guest vlog post. We are very happy to share this information about ways that keratoconus patients can be treated.

 



 


Globe rupture / Severe eye injury and surgical repair - A State of Sight #103


An extreme eye injury can cause a globe rupture where the eyeball can split open. This can be due to trauma directly on the eye or around the eye.

Watch this episode of A State of Sight with Isaac Porter, MD to learn more about this injury and the eye surgery options to help save the eye and restore vision.
 



 


Iritis, eye inflammation / Red eye, light sensitive - A State of Sight #104


Iritis can cause eye pain, light sensitivity, and redness from inflammation inside the eye. Fortunately, treatments are available to improve comfort and vision when this occurs.

Watch this episode of A State of Sight with Isaac Porter, MD to learn more about iritis including possible causes and treatment options.
 



 


 

cTEN Custom Transepithelial No touch surgery, all laser PRK - A State of Sight #87


The cTEN procedure is a variation of transepithelial PRK where the surface layers of the cornea are removed with a laser before corrective surgery. Watch this episode of A State of Sight with Isaac Porter, MD to learn more about this operation which can help smooth and normalize irregular corneas.
 



 


Superficial keratectomy, cornea / eye surface surgery - A State of Sight #86


Watch this episode to learn more about superficial keratectomy, which is a procedure to smooth the surface of the cornea when it is uneven. This can be used to improve vision or comfort in patients with irregular outer layers of the eye.

 



 


Monocles for better vision with Jim Berry from Nearsights - A State of Sight #107


Monocles are a very effective and convenient way to correct vision for reading at near or for distance vision. After age 45 when reading glasses are needed for up close vision, a monocle can help greatly.

Watch this special episode of A State of Sight with Isaac Porter, MD as Jim Berry from Nearsights Monocles joins us to explain the many uses for monocles and how they help correct vision.

Check out Nearsights Monocles at: http://www.nearsights.com/

 



 



Do I qualify for Implantable Miniature Telescope for AMD? - A State of Sight #96

The Implantable Miniature Telescope from VisionCare is an advanced treatment for end-stage macular degeneration. There are many qualifications for this device to ensure that it is used in patients who may benefit from the technology.

Watch this episode of A State of Sight with Isaac Porter, MD to learn more about the IMT and who may be a candidate.

Some of the basic qualifications include:
- Age 65 and older
- End-stage macular degeneration in both eyes
- Vision 20/160 to 20/800
- No previous cataract surgery in the eye to receive the telescope

Learn more about the IMT in episode #70 of A State of Sight: http://youtu.be/caipn22S2sk
 



 


Full-thickness cornea transplant, penetrating keratoplasty - A State of Sight #12


Isaac Porter, MD explains penetrating keratoplasty, a full-thickness corneal transplant, which may be needed for patients with swollen, cloudy corneas, keratoconus, or inherited diseases. Corneal transplantation is one of the most successful types of transplantation in humans.
 



 


Corneal transplantation, keratoplasty, PKP, DALK, DSEK, DMEK - A State of Sight #9

Isaac Porter, MD from Porter Ophthalmology explains the basics of corneal transplantation, which is one of the most successful transplants in humans. Patients with cloudy, hazy, swollen, or scarred corneas may benefit from a transplant. Modern surgical techniques now allow the replacement of the entire cornea or selective transplantation of the inner or outer layers.

 



 


DSEK - A State of Sight #11 with Isaac Porter, MD


Dr. Porter explains DSEK, a selective corneal transplant procedure where only the inner layer of the cornea is replaced. This can improve vision in patients with a cloudy or swollen cornea in cases like Fuchs' Dystrophy and edema following eye surgery.


 



 


How dry eye syndrome affects the cornea and tear film - A State of Sight #94


Dry eye syndrome can cause blurred vision when tears do not coat the cornea properly. This can result in irritation of the corneal surface, which must be smooth along with the tear film to see clearly.

Watch this episode of A State of Sight with Isaac Porter, MD to learn more about the surface of the cornea and how this works with the tear film to provide clear vision.
 



 


Pterygium, carnosidad, conjunctival autograft, conjunctiva - A State of Sight #10


Isaac Porter, MD from Porter Ophthalmology explains the basics of corneal transplantation, which is one of the most successful transplants in humans. Patients with cloudy, hazy, swollen, or scarred corneas may benefit from a transplant. Modern surgical techniques now allow the replacement of the entire cornea or selective transplantation of the inner or outer layers.

 



 


 

Eye problems from poor eyelid closure / exposure keratopathy - A State of Sight #115


Proper eyelid function is very important to maintain the health of the eye. If the eyelids do not close or blink appropriately, the cornea can be exposed and become irritated.

Watch this episode of A State of Sight with Isaac Porter, MD to learn more about the cause of inadequate eyelid closure and some of the potential treatments.

 



 


PDEK, New inner-layer cornea transplant technique - A State of Sight #92


Pre-Descemet's Endothelial Keratoplasty (PDEK) is a new type of corneal transplantation that can be used for patients with swelling or edema of the cornea. This technique is a variation of Descemet's Membrane Endothelial Keratoplasty (DMEK), and is less like Descemet's Stripping Endothelial Keratoplasty (DSEK).

Watch this episode of A State of Sight with Isaac Porter, MD to learn more about this exciting new technique. This method was first reported by Dr. Amar Agarwal based upon ideas that Professor Harminder Dua first developed when he discovered a previously unknown Dua's layer of the cornea.
 



 



Routine eye exam, Refraction, Porter Ophthalmology - A State of Sight #8

Isaac Porter, MD covers the basics of an annual routine eye exam, including refraction (measuring the prescription for glasses with different lenses), eye pressure check, and dilated examination in this episode of A State of Sight. Regular eye exams are an important component of overall health.
 



 


 

Corneal hydrops, advanced keratoconus, acute corneal edema - A State of Sight #21

In keratoconus, the cornea progressively thins and protrudes into a cone shape. If this becomes severe, an inner-layer break in the cornea can occur, causing corneal hydrops. Acute hydrops results in pain, redness, decreased vision, and corneal swelling. In this episode of A State of Sight, Isaac Porter, MD explains corneal hydrops and the treatment options.

 



 


Lens implant with scleral pocket fixation / Glued IOL - A State of Sight #114


A scleral pocket fixation technique may be used to support an intraocular lens implant inside the eye. This operation may be also known as a glued IOL procedure, but the glue does not actually support the lens long term.

Watch this episode of A State of Sight with Isaac Porter, MD to learn more about this innovative procedure that has been popularized by Amar Agarwal, MD from India.