LASEK/PRK - Augenlasern ohne Schnitt

SmileEyes

21 Oct 201600:52

Summary

TLDRThe script introduces the first generation of eye laser correction, known as KAKA, contrasting it with the newer LASIK and SMILE techniques. Unlike the latter, KAKA corrects vision directly on the corneal surface. The procedure involves dissolving and removing the epithelium with alcohol, followed by the excimer laser sculpting a precise curvature into the corneal tissue to correct refractive errors. A protective lens is then placed over the eye until the epithelium regenerates, a process that takes just a few hours.

Takeaways

👀 Kaka is the first generation of eye laser correction, distinct from the newer LASIK and SMILE procedures.
🔬 The correction of vision errors in Kaka is performed directly on the corneal surface.
🍸 The epithelium, the top layer of the cornea, is dissolved with alcohol in the initial step of the Kaka procedure.
🚫 After dissolving, the epithelium is removed to prepare the cornea for the laser treatment.
⚡ An excimer laser is used to model an accurately calculated curvature into the corneal tissue in a matter of seconds.
🔍 The laser treatment corrects the existing vision errors by reshaping the cornea.
🛡️ A protective lens is placed over the eye after the laser treatment.
⏱️ The healing process where the epithelium regenerates is relatively quick, happening within a few hours.
🎶 Background music is present throughout the explanation, suggesting a calm and informative tone.
🌐 The script is in German, providing information about the Kaka eye correction process in a non-English context.
📚 The transcript is likely part of an educational or informational video about eye laser correction techniques.

Q & A

What is the main difference between PRK (Photorefractive Keratectomy) and LASIK or SMILE?
-PRK is an older generation of eye laser correction, where the correction of the refractive error is performed directly on the corneal surface, unlike LASIK and SMILE, which involve creating a flap in the cornea.
How is the epithelium, the outermost layer of the cornea, treated before the PRK procedure begins?
-The epithelium is dissolved using alcohol and then removed to prepare the cornea for the laser treatment.
What does the excimer laser do during the PRK procedure?
-The excimer laser is used to model an accurately calculated curvature into the corneal tissue within a few seconds to correct the existing refractive error.
What is the purpose of placing a protective lens on the eye after the PRK procedure?
-The protective lens is placed to shield the eye until the epithelium, the top layer of the cornea, has regenerated.
How long does it typically take for the epithelium to regenerate after the PRK procedure?
-The epithelium usually regenerates within a few hours after the procedure.
Is PRK a painless procedure?
-The script does not specify the pain level during the PRK procedure, but it is generally known that there can be discomfort and pain after the procedure as the epithelium heals.
What is the role of alcohol in the PRK eye correction process?
-Alcohol is used to dissolve the epithelium, the top layer of the cornea, before it is removed to allow the laser to correct the refractive error.
What happens to the eye during the excimer laser treatment in PRK?
-During the excimer laser treatment, the laser reshapes the cornea by removing tissue to correct the refractive error, which is a process that takes only a few seconds.
Is there a recovery period after the PRK procedure?
-Yes, there is a recovery period during which the epithelium regenerates and the protective lens is worn to protect the eye.
What type of music is included in the video script?
-The script mentions music playing, but it does not specify the genre or style of the music.
What precautions should be taken after the PRK procedure to ensure proper healing?
-The script does not detail specific precautions, but generally, patients are advised to avoid rubbing their eyes, follow post-operative care instructions, and attend follow-up appointments.

Outlines

00:00

👀 Introduction to Kaka Eye Laser Correction

This paragraph introduces Kaka as the first generation of eye laser correction, distinct from the newer LASIK and SMILE procedures. It explains that Kaka performs the correction directly on the corneal surface. Initially, the epithelium, the outermost layer of the cornea, is dissolved with alcohol and then removed. Subsequently, an excimer laser is used to model a precisely calculated curvature into the corneal tissue to correct existing refractive errors. The process concludes with the placement of a protective lens over the eye, which remains until the epithelium has regenerated, a process that takes only a few hours. Background music is also mentioned, suggesting a possible multimedia presentation.

Mindmap

Keywords

💡Kaka

The term 'Kaka' in this context seems to be a misinterpretation or typo, as it does not relate to the theme of the video, which is about eye surgery. It might be a name or a term unrelated to the main content, hence it is not included in the key concepts for understanding the video's theme.

💡First Generation

The term 'First Generation' refers to the initial or earliest version of a technology or procedure. In the video, it is used to describe the eye correction method 'Kaka' as the original technique compared to the more recent LASIK and SMILE procedures.

💡LASIK

LASIK, which stands for Laser-Assisted in Situ Keratomileusis, is a type of refractive eye surgery used to treat vision problems such as myopia, hyperopia, and astigmatism. The video mentions LASIK as one of the newer generations of eye correction techniques, contrasting it with the 'first generation' method.

💡SMILE

SMILE, an acronym for Small Incision Lenticule Extraction, is another advanced eye surgery technique for correcting myopia. It is highlighted in the script as a more recent generation technique compared to the 'first generation' method described.

💡Cornea

The cornea is the transparent front part of the eye that covers the iris, pupil, and anterior chamber. In the context of the video, the cornea is the part of the eye where the refractive correction is performed, with the 'first generation' method directly correcting vision errors at the corneal surface.

💡Epithelium

The epithelium is the outermost layer of the cornea. In the script, it is mentioned that the epithelium is dissolved with alcohol in the 'first generation' eye correction process before the excimer laser is applied.

💡Excimer Laser

An excimer laser is a type of laser used in various medical procedures, including eye surgery. The script describes how the excimer laser is used to model an accurately calculated curvature into the corneal tissue to correct existing vision problems within seconds.

💡Refractive Correction

Refractive correction refers to the process of correcting vision by altering the eye's optical properties. The video's main theme revolves around different techniques of refractive correction, with a focus on how the 'first generation' method corrects vision errors directly on the corneal surface.

💡Protection Lens

A protection lens is mentioned in the script as being placed on the eye after the excimer laser treatment. It serves to protect the eye while the epithelium regenerates, which happens within a few hours post-surgery.

💡Myopia

Myopia, commonly known as nearsightedness, is a condition where a person can see nearby objects clearly but distant objects are blurry. The video discusses eye correction techniques that can address myopia, along with other vision problems.

💡Keratometry

Although not explicitly mentioned in the script, keratometry is the measurement of the curvature of the cornea, which is relevant to the video's discussion of correcting vision by altering the cornea's shape with an excimer laser.

Highlights

Kaka is the first generation of eye laser correction.

Difference between Kaka and newer generations like LASIK and SMILE.

Correction of vision errors is performed directly on the corneal surface.

The epithelium layer of the cornea is dissolved with alcohol.

The epithelium is then removed.

Excimer laser models an exact curvature into the corneal tissue.

This process corrects existing vision errors.

A protective lens is placed on the eye.

The epithelium layer regenerates within a few hours.

The entire process is completed in less than a few seconds.

Alcohol is used to dissolve the epithelium layer.

The excimer laser is used for precise modeling.

The protective lens is crucial for the healing process.

The epithelium layer is essential for the eye's surface.

The process involves direct manipulation of the corneal surface.

The correction aims to improve vision by altering the corneal curvature.

The procedure is relatively quick and efficient.

The protective lens ensures safety during the healing phase.

The epithelium layer plays a crucial role in the eye's healing process.